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
2024-12-11 05:36:44 B 03 47 47.110 -20 31 43.32 Z V42
2024-12-11 07:13:14 B 03 47 53.429 -20 30 22.07 Z V42
2024-12-12 01:12:37 B 03 49 24.30 -20 14 23.1 Z X33
2024-12-12 01:30:45 B 03 49 25.53 -20 14 06.9 Z X33
2024-12-12 01:48:55 B 03 49 26.75 -20 13 50.6 Z X33
2024-12-13 21:04:42 C 03 53 18.86 -19 31 22.7 V K85
2024-12-13 21:39:41 C 03 53 21.81 -19 30 44.6 V K85
2024-12-14 05:58:04 C 03 54 09.439 -19 21 20.52 V 703
2024-12-14 06:14:19 C 03 54 10.771 -19 21 02.02 V 703
2024-12-14 06:17:34 C 03 54 11.034 -19 20 58.09 V 703
2024-12-14 06:20:49 C 03 54 11.300 -19 20 54.31 V 703
2024-12-14 19:56:01 C 03 55 34.927 -19 05 02.51 Z Y76
2024-12-14 19:59:07 C 03 55 35.170 -19 04 58.87 Z Y76
2024-12-14 20:02:13 C 03 55 35.522 -19 04 55.02 Z Y76
2024-12-14 20:05:20 C 03 55 35.753 -19 04 51.60 Z Y76
2024-12-15 22:33:42 C 03 58 21.084 -18 31 17.80 Z Y76
2024-12-15 22:37:50 C 03 58 21.422 -18 31 11.42 Z Y76
2024-12-15 22:43:00 C 03 58 21.922 -18 31 04.62 Z Y76
2024-12-15 22:46:05 C 03 58 22.253 -18 31 00.66 Z Y76
2024-12-16 14:14:34 C 04 00 07.71 -18 09 29.3 O40
2024-12-16 14:30:50 C 04 00 09.31 -18 09 06.4 O40
2024-12-16 16:27:56 C 04 00 20.83 -18 06 18.8 O40
2024-12-16 18:22:08 C 04 00 32.21 -18 03 31.0 O40
2024-12-18 20:07:47 C 04 06 46.051 -16 44 19.28 Z Y76
2024-12-18 20:12:46 C 04 06 46.682 -16 44 11.15 Z Y76
2024-12-18 20:15:51 C 04 06 47.052 -16 44 05.75 Z Y76
2024-12-18 20:18:57 C 04 06 47.438 -16 44 00.31 Z Y76
2024-12-19 07:25:32 C 04 08 13.434 -16 24 04.18 V 703
2024-12-19 07:28:48 C 04 08 13.830 -16 23 58.09 V 703
2024-12-19 07:32:05 C 04 08 14.230 -16 23 52.22 V 703
2024-12-19 07:35:22 C 04 08 14.636 -16 23 46.10 V 703
2024-12-19 15:44:41 C 04 09 23.94 -16 08 39.0 O40
2024-12-19 17:05:40 C 04 09 33.83 -16 06 04.7 O40
2024-12-19 18:25:29 C 04 09 43.80 -16 03 30.6 O40
2024-12-20 00:17:25 B 04 10 38.88 -15 51 43.6 Z X33
2024-12-20 00:27:31 B 04 10 40.18 -15 51 24.2 Z X33
2024-12-20 00:37:35 B 04 10 41.40 -15 51 05.3 Z X33
2024-12-20 22:07:27 B 04 13 49.42 -15 08 24.4 V Y83
2024-12-20 22:09:32 B 04 13 49.71 -15 08 20.1 V Y83
2024-12-20 22:11:37 B 04 13 49.99 -15 08 15.7 V Y83
2024-12-21 07:26:57 C 04 15 13.180 -14 48 21.85 V 703
2024-12-21 07:30:14 C 04 15 13.633 -14 48 14.72 V 703
2024-12-21 07:33:31 C 04 15 14.094 -14 48 07.49 V 703
2024-12-21 07:36:49 C 04 15 14.540 -14 48 00.22 V 703
2024-12-21 21:08:29 B 04 17 25.392 -14 18 05.15 V 160
2024-12-21 21:18:17 B 04 17 26.815 -14 17 42.90 V 160
2024-12-21 21:28:03 B 04 17 28.231 -14 17 20.58 V 160
2024-12-23 02:46:12 B 04 22 25.666 -13 06 47.52 Z V42
2024-12-23 04:53:05 B 04 22 45.617 -13 01 29.46 Z V42
2024-12-23 07:21:06 B 04 23 08.978 -12 55 08.65 Z V42