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
2020-09-15 21:54:11 s 1 -66116.086 0 +388799.15 260.0 – C57
2020-09-15 22:04:11 S 00 21 54.679 -16 29 58.88 – V C57
2020-09-15 22:04:11 s 1 -66484.184 0 +388730.60 5460.0 – C57
2020-09-15 22:14:11 S 00 21 54.187 -16 30 05.51 – V C57
2020-09-15 22:14:11 s 1 -66852.127 0 +388661.12 510.0 – C57
2020-09-15 22:24:11 S 00 21 53.873 -16 30 10.66 – V C57
2020-09-15 22:24:11 s 1 -67219.915 0 +388590.71 5410.0 – C57
2020-09-15 22:34:11 S 00 21 53.417 -16 30 17.21 – V C57
2020-09-15 22:34:11 s 1 -67587.548 0 +388519.37 160.0 – C57
2020-09-15 22:44:11 S 00 21 52.970 -16 30 22.18 – V C57
2020-09-15 22:44:11 s 1 -67955.024 0 +388447.11 4770.0 – C57
2020-09-15 22:54:11 S 00 21 52.632 -16 30 28.62 – V C57
2020-09-15 22:54:11 s 1 -68322.342 0 +388373.92 9220.0 – C57
2020-09-15 23:04:11 S 00 21 52.094 -16 30 34.96 – V C57
2020-09-15 23:04:11 s 1 -68689.501 0 +388299.80 3520.0 – C57
2020-09-16 00:24:11 S 00 21 48.881 -16 31 22.12 – V C57
2020-09-16 00:24:11 s 1 -71620.960 0 +387673.45 2420.0 – C57
2020-09-16 10:08:49 C 00 22 03.34 -16 37 29.4 – V T08
2020-09-16 10:13:29 C 00 22 03.13 -16 37 32.2 – V T08
2020-09-16 10:18:47 C 00 22 02.89 -16 37 35.5 – V T08
2020-09-16 10:41:31 C 00 22 01.88 -16 37 49.4 – V T08
2020-09-17 11:07:54 C 00 20 59.33 -16 52 45.0 – V T05
2020-09-17 11:12:30 C 00 20 59.12 -16 52 47.8 – V T05
2020-09-17 11:21:07 C 00 20 58.73 -16 52 53.0 – V T05
2020-09-17 12:40:58 C 00 20 55.07 -16 53 41.5 – V T05
2020-09-18 06:41:02 C 00 20 08.24 -17 04 42.2 – V 703
2020-09-18 06:48:55 C 00 20 07.84 -17 04 46.6 – V 703
2020-09-18 06:56:46 C 00 20 07.47 -17 04 51.4 – V 703
2020-09-18 07:04:39 C 00 20 07.00 -17 04 58.1 – V 703
2020-09-19 09:56:37 C 00 18 54.72 -17 21 15.2 – V T08
2020-09-19 09:57:17 C 00 18 54.69 -17 21 15.7 – V T08
2020-09-19 10:01:16 C 00 18 54.48 -17 21 18.0 – V T08
2020-09-19 10:01:55 C 00 18 54.50 -17 21 18.6 – V T08
2020-09-19 10:40:53 C 00 18 52.58 -17 21 42.0 – V T08
2020-09-19 10:41:33 C 00 18 52.55 -17 21 42.6 – V T08
2020-09-21 07:02:43 C 00 16 48.56 -17 48 32.4 – U I41
2020-09-21 07:23:08 C 00 16 47.60 -17 48 42.7 – V 703
2020-09-21 07:30:42 C 00 16 47.23 -17 48 47.1 – V 703
2020-09-21 07:38:15 C 00 16 46.85 -17 48 51.6 – V 703
2020-09-21 07:45:50 C 00 16 46.51 -17 48 56.3 – V 703
2020-09-21 08:33:44 C 00 16 44.00 -17 49 27.3 – U I41
2020-09-21 09:50:40 C 00 16 40.55 -17 50 11.9 – V T05
2020-09-21 09:55:56 C 00 16 40.28 -17 50 14.8 – V T05
2020-09-21 10:03:32 C 00 16 39.90 -17 50 19.4 – V T05
2020-09-21 10:32:51 C 00 16 38.42 -17 50 37.1 – V T05
2020-09-22 07:29:58 C 00 15 37.82 -18 03 11.0 – U I41
2020-09-22 08:03:01 C 00 15 36.13 -18 03 30.8 – U I41
2020-09-22 21:48:58 C 00 14 55.72 -18 11 42.8 – V 089
2020-09-22 21:51:34 C 00 14 55.61 -18 11 44.7 – V 089
2020-09-22 21:54:10 C 00 14 55.45 -18 11 46.1 – V 089