IAA RAS IAA Minor Planet Database

887 Alinda (A918 AA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5711699949 ± 1.90e-09
Semi-major axis (a)2.4736287789 AU ± 5.48e-10
Inclination (i)9.40006250° ± 4.27e-07
Long. of Asc. Node (Ω)110.40587156° ± 1.60e-06
Arg. of Perihelion (ω)350.53450784° ± 1.66e-06
Mean Anomaly (M)81.54059221° ± 2.04e-07
Mean Motion (n)0.2533439215°/day ± 8.42e-11
Perihelion dist (q)1.06076624 AU ± 4.72e-09
Aphelion dist (Q)3.88649132 AU ± 4.79e-09
Orbital Period3.89046746 yr ± 1.29e-09
Physical Parameters
H (abs. magnitude)13.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.189″
Uncertainty0
Orbit TypeAmor
MOID0.079551 AU
Observations Used5556
Gaia Obs Used114
Oppositions74
Arc Total1918-2025
First Observation Used1918-02-03
Last Observation Used2025-08-27
Observations (6319)
Date Type RA Dec Mag Band Observatory
2020-10-09 14:14:09 C 23 53 21.65 -21 35 44.1 – q Q68
2020-10-09 14:16:22 C 23 53 21.51 -21 35 45.0 – q Q68
2020-10-09 16:14:42 C 23 53 14.79 -21 36 30.3 – q Q68
2020-10-09 16:16:53 C 23 53 14.66 -21 36 31.1 – q Q68
2020-10-09 16:19:05 C 23 53 14.55 -21 36 32.0 – q Q68
2020-10-09 16:21:16 C 23 53 14.43 -21 36 32.7 – q Q68
2020-10-10 03:58:45 C 23 52 36.71 -21 41 03.8 – o W92
2020-10-10 05:17:19 C 23 52 32.22 -21 41 33.6 – o W92
2020-10-10 05:39:54 C 23 52 30.98 -21 41 41.9 – o W92
2020-10-10 06:05:39 C 23 52 29.91 -21 42 02.5 – V 703
2020-10-10 06:13:24 C 23 52 29.49 -21 42 05.4 – V 703
2020-10-10 06:19:10 C 23 52 28.74 -21 41 56.7 – o W92
2020-10-10 06:21:09 C 23 52 29.04 -21 42 08.2 – V 703
2020-10-10 06:28:54 C 23 52 28.59 -21 42 11.2 – V 703
2020-10-10 15:12:48 C 23 51 59.80 -21 45 17.0 – q Q68
2020-10-10 15:15:01 C 23 51 59.67 -21 45 17.9 – q Q68
2020-10-10 15:17:12 C 23 51 59.55 -21 45 18.8 – q Q68
2020-10-10 15:19:23 C 23 51 59.43 -21 45 19.6 – q Q68
2020-10-10 16:16:39 C 23 51 56.21 -21 45 40.2 – q Q68
2020-10-10 16:18:54 C 23 51 56.09 -21 45 41.0 – q Q68
2020-10-10 16:21:08 C 23 51 55.97 -21 45 41.8 – q Q68
2020-10-10 16:23:23 C 23 51 55.84 -21 45 42.6 – q Q68
2020-10-11 09:09:20 C 23 51 01.92 -21 52 01.2 – V T05
2020-10-11 09:14:36 C 23 51 01.62 -21 52 03.0 – V T05
2020-10-11 09:22:35 C 23 51 01.17 -21 52 05.9 – V T05
2020-10-11 09:39:07 C 23 51 00.23 -21 52 11.7 – V T05
2020-10-11 11:41:34 C 23 50 53.91 -21 52 46.2 – q Q68
2020-10-11 11:43:50 C 23 50 53.76 -21 52 47.1 – q Q68
2020-10-11 11:46:15 C 23 50 53.63 -21 52 48.2 – q Q68
2020-10-11 11:48:33 C 23 50 53.49 -21 52 48.9 – q Q68
2020-10-11 12:37:47 C 23 50 50.71 -21 53 06.4 – q Q68
2020-10-11 12:40:01 C 23 50 50.58 -21 53 07.4 – q Q68
2020-10-11 12:42:15 C 23 50 50.45 -21 53 08.2 – q Q68
2020-10-11 12:44:29 C 23 50 50.33 -21 53 08.8 – q Q68
2020-10-11 21:13:52 C 23 50 22.83 -21 56 20.6 – o L52
2020-10-11 21:23:54 C 23 50 22.28 -21 56 23.5 – o L52
2020-10-12 03:53:53 C 23 50 01.42 -21 58 27.9 – o W92
2020-10-12 04:03:52 C 23 50 00.85 -21 58 31.2 – o W92
2020-10-12 05:51:19 C 23 49 55.33 -21 59 18.5 – V 703
2020-10-12 05:59:09 C 23 49 54.89 -21 59 21.2 – V 703
2020-10-12 06:06:59 C 23 49 54.45 -21 59 23.8 – V 703
2020-10-12 06:14:49 C 23 49 54.02 -21 59 26.6 – V 703
2020-10-12 16:45:02 C 23 49 20.74 -22 03 00.4 – V 186
2020-10-12 16:49:46 C 23 49 20.46 -22 03 01.9 – V 186
2020-10-12 20:29:36 C 23 49 08.29 -22 04 14.7 – V 186
2020-10-12 20:56:00 C 23 49 06.82 -22 04 23.3 – V 186
2020-10-12 21:35:27 C 23 49 04.93 -22 04 37.0 – o L52
2020-10-12 21:45:30 C 23 49 04.36 -22 04 40.6 – o L52
2020-10-13 04:15:15 C 23 48 43.77 -22 06 36.6 – o W92
2020-10-13 04:28:31 C 23 48 43.03 -22 06 40.8 – o W92