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
2016-09-07 03:28:54 C 23 14 30.94 -19 21 30.3 q W88
2016-09-19 01:21:23 C 22 59 46.32 -21 28 25.6 o Z22
2016-09-19 01:31:39 C 22 59 45.74 -21 28 29.3 o Z22
2016-09-19 08:37:01 C 22 59 23.670 -21 31 16.16 L F51
2016-09-19 08:54:08 C 22 59 22.741 -21 31 22.94 L F51
2016-09-19 09:11:22 C 22 59 21.802 -21 31 29.71 L F51
2016-09-19 22:49:16 C 22 58 38.82 -21 36 49.4 d B66
2016-09-19 23:31:54 C 22 58 36.50 -21 37 06.2 d B66
2016-09-28 09:40:20 C 22 48 20.28 -22 45 11.5 L T05
2016-09-28 10:01:36 C 22 48 19.21 -22 45 17.6 L T05
2016-09-28 10:22:09 C 22 48 18.19 -22 45 23.4 L T05
2016-09-28 10:43:29 C 22 48 17.09 -22 45 29.4 L T05
2016-09-30 09:02:43 C 22 46 04.945 -22 58 02.24 L F51
2016-09-30 09:19:26 C 22 46 04.127 -22 58 06.53 L F51
2016-09-30 09:52:50 C 22 46 02.496 -22 58 14.99 L F51
2016-10-04 04:31:52 C 22 41 58.34 -23 19 12.5 q 703
2016-10-04 04:49:09 C 22 41 57.62 -23 19 13.7 q 703
2016-10-06 07:45:33 C 22 39 50.163 -23 28 53.98 L F51
2016-10-06 07:59:29 C 22 39 49.572 -23 28 56.43 L F51
2016-10-06 08:13:23 C 22 39 48.980 -23 28 58.90 L F51
2016-10-06 09:05:28 C 22 39 46.76 -23 29 07.4 L T05
2016-10-06 09:27:02 C 22 39 45.83 -23 29 11.4 L T05
2016-10-06 09:49:13 C 22 39 44.90 -23 29 15.1 L T05
2016-10-06 10:10:39 C 22 39 44.02 -23 29 18.8 L T05
2016-10-10 08:45:34 C 22 36 10.01 -23 43 01.0 L T05
2016-10-10 09:07:34 C 22 36 09.19 -23 43 03.6 L T05
2016-10-10 09:29:37 C 22 36 08.37 -23 43 05.9 L T05
2016-10-10 09:52:26 C 22 36 07.53 -23 43 08.3 L T05
2016-10-18 22:05:38 C 22 30 17.27 -23 54 52.5 o Z22
2016-10-18 22:29:15 C 22 30 16.72 -23 54 51.9 o Z22
2016-10-19 06:55:51 C 22 30 05.887 -23 54 50.74 L F51
2016-10-19 07:10:43 C 22 30 05.537 -23 54 50.66 L F51
2016-10-19 07:25:33 C 22 30 05.192 -23 54 50.59 L F51
2016-10-19 07:40:22 C 22 30 04.846 -23 54 50.50 L F51
2016-10-26 07:02:21 C 22 27 30.23 -23 46 29.2 L T05
2016-10-26 07:19:34 C 22 27 30.04 -23 46 27.4 L T05
2016-10-26 07:37:41 C 22 27 29.83 -23 46 25.7 L T05
2016-10-26 07:55:34 C 22 27 29.63 -23 46 23.8 L T05
2016-10-30 06:56:44 C 22 26 55.87 -23 35 16.3 L T05
2016-10-30 07:15:19 C 22 26 55.78 -23 35 13.1 L T05
2016-10-30 07:34:47 C 22 26 55.66 -23 35 10.4 L T05
2016-10-30 07:53:24 C 22 26 55.57 -23 35 07.9 L T05
2016-11-03 06:44:28 C 22 27 01.36 -23 19 41.6 L T05
2016-11-03 07:03:12 C 22 27 01.40 -23 19 37.7 L T05
2016-11-03 07:21:48 C 22 27 01.44 -23 19 34.6 L T05
2016-11-03 07:41:10 C 22 27 01.51 -23 19 30.7 L T05
2016-11-06 10:36:33 S 22 27 33.77 -23 04 21.1 L C51
2016-11-06 13:45:14 S 22 27 35.63 -23 03 39.9 L C51
2016-11-06 16:53:55 S 22 27 37.55 -23 02 58.4 L C51
2016-11-06 20:02:36 S 22 27 39.504 -23 02 16.51 L C51