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

Oliver Klös, IOTA/ES Last update: 2021 April 02

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

April 2021

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

Last update: 2021 Mar 17

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

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

Last update: 2021 Mar 17

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 Mar 17

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

05 20:14 (515) Athalia 2.8 TYC 1372-01216-1 10.0

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0405_515_69436.htm

07 04:59 (497) Iva 3.5 UCAC4 345-073636 12.5

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0407_497_69450.htm

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

Last update: 2021 Mar 17

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

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

Last update: 2021 Mar 17

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

10 21:09 (86) Semele 12.2 UCAC4 511-051286 12.4

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0410_86_69490.htm

13 03:48 (87) Sylvia 27.7 UCAC4 542-050615 14.0

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0413_87_74110.htm

13 03:48 Remus, satellite of (87) Sylvia 0.97 s

Last update: 2021 Mar 18

Path Coordinates Occultation of UCAC4 542-050615 by 87 Remus #1 on 2021 Apr 13

13 03:49 Romulus, satellite of (87) Sylvia 1.56 s

Last update: 2021 Mar 18

Path Coordinates Occultation of UCAC4 542-050615 by 87 Romulus #1 on 2021 Apr 13

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

Last update: 2021 Mar 17

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

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

Last update: 2021 Mar 17

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 Mar 17

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

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

Last update: 2021 Mar 17

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

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

Last update: 2021 Mar 17

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

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

Last update: 2021 Mar 17

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

26 20:21 (152) Atala 1.61 UCAC4 610-021128 10.7

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0426_152_73892.htm

26 22:19 (1585) Union 4.4 TYC 0992-00532-1 10.4

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_04/0426_1585_69668.htm

May 2021

05 02:53 (105) Artemis 10.5 UCAC4 492-083627 12.3

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_05/0505_105_69744.htm

06 20:59 (1244) Deira 1.45 HIP 42594 7.6

Last update: 2021 Mar 17

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

08 02:11 (3317) Paris 14.7 UCAC4 469-071609 12.5

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_05/0508_3317_69764.htm

08 21:10 (1585) Union 3.8 UCAC4 500-071836 12.5

Last update: 2021 Mar 17

https://asteroidoccultation.com/2021_05/0508_1585_69776.htm

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

Last update: 2021 Apr 02

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

23 20:02 (46) Hestia 10.2 UCAC4 373-072583 12.2

Last update: 2021 Apr 02

https://asteroidoccultation.com/2021_05/0523_46_69932.htm

29 19:25 (1062) Ljuba 2.8 TYC 0833-01255-1 10.3

Last update: 2021 Apr 02

https://asteroidoccultation.com/2021_05/0529_1062_72668.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

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