IOTA/ES : Call for Observations – Where to go, what to do, when to look

Oliver Klös, IOTA/ES Last update: 2021 March 05

Predictions calculated by Steve Preston, IOTA

http://asteroidoccultation.com

Upcoming Occultations:

The events are marked by the following colour-codes:

Special Observation Campaign

Target star brighter than 9 mag

Prediction with high probability to make a positive observation

Prediction with MIRIADE data (IMCCE) / JPL Horizons for asteroid satellites by O. Klös, IOTA/ES

Detailed path maps, star charts and potential observing sites for these events can be found at Derek C. Breit’s web page:

http://www.poyntsource.com/New/Global.htm

Day UT Asteroid MaxDur Star Vmag

sec

March 2021

06 00:28 (287) Nephthys 12.8 TYC 1348-00265-1 11.6

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0306_287_69058.htm

06 04:16 (29) Amphitrite 18.6 UCAC4 522-049687 12.3

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0306_29_69066.htm

07 20:08 (187) Lamberta 5.2 UCAC4 574-006662 12.1

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0307_187_69078.htm

07 20:38 (133) Cyrene 8.9 UCAC4 543-047809 11.5

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0307_133_69082.htm

08 02:35 (46) Hestia 14.7 UCAC4 358-076415 11.9

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0308_46_69086.htm

09 20:16 (2589) Daniel 0.94 HIP 49669 – Regulus 1.3

Naked-eye event!

Last update: 2021 Mar 05

https://asteroidoccultation.com/2021_03/0309_2589_74114.htm

13 19:15 (163) Erigone 4.8 UCAC4 549-023461 11.8

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0313_163_69150.htm

15 21:02 (13) Egeria 12.4 UCAC4 655-038057 12.5

Last update: 2021 Jan 18

http://asteroidoccultation.com/2021_03/0315_13_69172.htm

16 02:08 (492) Gismonda 3.5 TYC 4948-00811-1 11.7

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0316_492_69176.htm

17 21:04 (282) Clorinde 1.8 TYC 1300-00569-1 9.5

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0317_282_72600.htm

19 23:27 (1048) Feodosia 6.8 HIP 61099 7.7

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0319_1048_69224.htm

20 22:46 (429) Lotis 6.5 TYC 4904-00875-1 9.8

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0320_429_69240.htm

21 19:35 (1024) Hale 1.1 UCAC4 534-004810 10.8

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0321_1024_73684.htm

21 23:26 (527) Euryanthe 6.4 UCAC4 448-057791 12.0

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0321_527_69254.htm

23 19:58 (75) Eurydike 6.8 UCAC4 587-036820 12.2

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0323_75_69284.htm

26 20:31 (213) Lilaea 8.8 TYC 1896-00488-1 9.9

Last update: 2021 Jan 31

http://asteroidoccultation.com/2021_03/0326_213_69324.htm

April 2021

02 21:00 (1118) Hanskya 3.4 UCAC4 605-026972 11.0

Last update: 2021 Feb 14

https://asteroidoccultation.com/2021_04/0402_1118_69406.htm

02 21:49 (409) Aspasia 19.6 UCAC4 403-052356 11.8

Last update: 2021 Feb 14

https://asteroidoccultation.com/2021_04/0402_409_69408.htm

03 20:16 (2688) Halley 1.7 TYC 4950-010175-1 8.7

Last update: 2021 Feb 14

http://asteroidoccultation.com/2021_04/0403_2688_72610.htm

09 21:05 (156) Xanthippe 5.3 UCAC4 532-022355 12.0

Last update: 2021 Feb 14

https://asteroidoccultation.com/2021_04/0409_156_69478.htm

10 02:13 (6) Hebe 10.1 UCAC4 403-120380 11.9

Last update: 2021 Feb 15

https://asteroidoccultation.com/2021_04/0410_6_69482.htm

15 02:51 (159) Aemilia 9.9 TYC 6302-00461-1 10.7

Last update: 2021 Feb 15

https://asteroidoccultation.com/2021_04/0415_159_69532.htm

18 21:30 (313) Chaldaea 3.9 HIP 36231 6.8

Last update: 2021 Feb 28

http://asteroidoccultation.com/2021_04/0418_313_69570.htm

21 21:58 (26) Proserpina 5.1 TYC 1926-00233-1 11.6

Last update: 2021 Feb 28

https://asteroidoccultation.com/2021_04/0421_26_69610.htm

22 19:59 (142) Polana 1.40 UCAC4 565-011281 11.4

Last update: 2021 Feb 28

https://asteroidoccultation.com/2021_04/0422_142_73888.htm

24 21:29 (150) Nuwa 5.0 UCAC4 555-034160 12.0

Last update: 2021 Feb 28

https://asteroidoccultation.com/2021_04/0424_150_69640.htm

25 02:28 (1172) Aeneas 22.3 TYC 6268-00748-1 11.5

Last update: 2021 Feb 28

https://asteroidoccultation.com/2021_04/0425_1172_69644.htm

26 20:07 (402) Chloe 1.50 TYC 1300-01298-1 9.6

Last update: 2021 Feb 28

https://asteroidoccultation.com/2021_04/0426_402_72632.htm

Detailed path maps, star charts and potential observing sites for these events can be found at Derek C. Breit’s web page:

http://www.poyntsource.com/New/Global.htm

Preliminary Predictions:

Target star brighter than 9 mag

Day UT Asteroid MaxDur Star Vmag

sec

May 2021

06 20:59 (1244) Deira 1.4 HIP 42594 7.6

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_05/0506_1244_72452.htm

19 00:59 (801) Helwerthia 5.2 HIP 92878 8.7

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_05/0519_801_72648.htm

June 2021

09 21:18 (442) Eichsfeldia 2.2 UCAC4 534-049309 8.9

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_06/0609_442_72684.htm

29 03:11 (1489) Attila 2.7 HIP 511 7.9

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_06/0629_1489_72462.htm

July 2021

24 03:13 (212) Medea 4.3 TYC 1817-00159-1 8.7

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_07/0724_212_72730.htm

August 2021

03 01:05 (4292) Aoba 0.9 TYC 1799-00910-1 8.3

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_08/0803_4292_72470.htm

09 00:46 (16046) Gregnorman 2.8 HIP 90135 4.3

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_08/0809_16046_72400.htm

17 23:06 (376) Geometria 6.3 HIP 118268 3.9

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_08/0817_376_72402.htm

26 21:28 (385) Ilmatar 7.9 TYC 0009-00303-18 8.8

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_08/0826_385_70990.htm

September 2021

09 00:13 (301) Bavaria 2.3 HIP 29775 7.3

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_09/0909_301_72482.htm

22 04:32 (1312) Vassar 2.9 TYC 4755-01371-1 8.3

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_09/0922_1312_72484.htm

26 23:37 (268) Adorea 5.1 TYC 1371-02142-1 9.0

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_09/0926_268_71302.htm

October 2021

04 00:57 (370) Modestia 5.1 HIP 5286 8.0

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_10/1004_370_72488.htm

12 01:51 (21564) Widmanstatten 1.0 HIP 42076 6.0

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_10/1012_21564_72404.htm

19 01:53 (10291) 1985 UT 2.1 TYC 4674-00424-1 8.2

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_10/1019_10291_72496.htm

November 2021

03 02:28 (2407) Haug 4.9 TYC 1870-00735-1 9.0

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_11/1103_2407_72844.htm

12 22:46 (487) Venetia 26.4 TYC 1329-01678-1 8.5

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_11/1112_487_71792.htm

15 22:05 (161) Athor 4.7 HIP 44512 6.6

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_11/1115_161_71822.htm

20 03:46 (110) Lydia 11.1 TYC 0622-01054-1 9.0

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_11/1120_110_71854.htm

22 17:57 (4082) Swann 2.0 HIP 8409 7.9

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_11/1122_4082_72508.htm

25 16:26 (105) Artemis 3.3 TYC 5173-01510-1 8.9

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_11/1125_105_71904.htm

29 16:58 (5234) Sechenov 0.9 HIP 856 8.1

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_11/1129_5234_72510.htm

December 2021

03 01:33 (573) Recha 4.7 HIP 30484 6.7

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_12/1203_573_71988.htm

08 18:08 (249) Ilse 7.4 TYC 2333-01131-1 8.7

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_12/1208_249_72896.htm

16 21:11 (11395) 1998 XN77 7.9 HIP 12148 5.5

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_12/1216_11395_72166.htm

20 01:49 (6475) Refugium 3.1 TYC 1821-00304-1 8.2

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_12/1220_6475_72516.htm

22 01:59 (688) Melanie 3.5 UCAC4 492-042602 7.5

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_12/1222_688_72218.htm

22 03:42 (4628) Laplace 1.6 HIP 26759 8.7

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_12/1222_4628_72922.htm

27 21:26 (310) Margarita 2.8 TYC 0017-01041-1 7.7

Last update: 2020 Mar 07

http://asteroidoccultation.com/2021_12/1227_310_72518.htm

28 18:00 (532) Herculina 9.3 HIP 533 8.9

Last update: 2020 Mar 08

http://asteroidoccultation.com/2021_12/1228_532_72338.htm

30 20:16 (7641) 1986 TT6 5.4 HIP 4761 7.1

Last update: 2020 Mar 03

http://asteroidoccultation.com/2021_12/1230_7641_72364.htm

Detailed path maps, star charts and potential observing sites for these events can be found at Derek C. Breit’s web page:

http://www.poyntsource.com/New/Future.htm