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
2020-09-14 20:54:11 S 00 22 56.866 -16 14 55.90 – V C57
2020-09-14 21:04:11 S 00 22 56.503 -16 15 02.20 – V C57
2020-09-14 21:04:11 s 1 -10046.857 0 +388522.17 7700.0 – C57
2020-09-14 21:14:11 S 00 22 56.078 -16 15 07.34 – V C57
2020-09-14 21:14:11 s 1 -10427.961 0 +388594.53 8570.0 – C57
2020-09-14 21:24:11 S 00 22 55.579 -16 15 14.72 – V C57
2020-09-14 21:24:11 s 1 -10809.046 0 +388665.93 9380.0 – C57
2020-09-14 21:34:11 S 00 22 55.253 -16 15 19.94 – V C57
2020-09-14 21:34:11 s 1 -11190.109 0 +388736.35 130.0 – C57
2020-09-14 21:44:11 S 00 22 54.778 -16 15 26.53 – V C57
2020-09-14 21:44:11 s 1 -11571.150 0 +388805.80 820.0 – C57
2020-09-14 21:54:11 S 00 22 54.372 -16 15 31.75 – V C57
2020-09-14 21:54:11 s 1 -11952.169 0 +388874.29 1440.0 – C57
2020-09-14 22:04:11 S 00 22 54.050 -16 15 37.44 – V C57
2020-09-14 22:04:11 s 1 -12333.164 0 +388941.80 2010.0 – C57
2020-09-14 22:14:11 S 00 22 53.503 -16 15 44.46 – V C57
2020-09-14 22:14:11 s 1 -12714.134 0 +389008.35 2510.0 – C57
2020-09-14 22:24:11 S 00 22 53.203 -16 15 49.32 – V C57
2020-09-14 22:24:11 s 1 -13095.078 0 +389073.93 2940.0 – C57
2020-09-14 22:34:11 S 00 22 52.663 -16 15 56.41 – V C57
2020-09-14 22:34:11 s 1 -13475.996 0 +389138.55 3310.0 – C57
2020-09-14 22:44:11 S 00 22 52.334 -16 16 02.35 – V C57
2020-09-14 22:44:11 s 1 -13856.886 0 +389202.19 3620.0 – C57
2020-09-14 22:54:11 S 00 22 51.941 -16 16 07.75 – V C57
2020-09-14 22:54:11 s 1 -14237.748 0 +389264.87 3860.0 – C57
2020-09-14 23:04:11 S 00 22 51.487 -16 16 14.77 – V C57
2020-09-14 23:04:11 s 1 -14618.581 0 +389326.59 4030.0 – C57
2020-09-14 23:14:11 S 00 22 51.156 -16 16 19.70 – V C57
2020-09-14 23:14:11 s 1 -14999.383 0 +389387.34 4130.0 – C57
2020-09-14 23:24:11 S 00 22 50.642 -16 16 25.21 – V C57
2020-09-14 23:24:11 s 1 -15380.154 0 +389447.12 4170.0 – C57
2020-09-14 23:34:11 S 00 22 50.275 -16 16 32.38 – V C57
2020-09-14 23:34:11 s 1 -15760.892 0 +389505.94 4140.0 – C57
2020-09-14 23:44:11 S 00 22 49.814 -16 16 38.10 – V C57
2020-09-14 23:44:11 s 1 -16141.598 0 +389563.80 4040.0 – C57
2020-09-14 23:54:11 S 00 22 49.435 -16 16 44.11 – V C57
2020-09-14 23:54:11 s 1 -16522.269 0 +389620.69 3870.0 – C57
2020-09-15 00:04:11 S 00 22 49.094 -16 16 49.62 – V C57
2020-09-15 00:04:11 s 1 -16902.905 0 +389676.61 3630.0 – C57
2020-09-15 00:14:11 S 00 22 48.593 -16 16 57.00 – V C57
2020-09-15 00:14:11 s 1 -17283.506 0 +389731.58 3320.0 – C57
2020-09-15 00:24:11 S 00 22 48.175 -16 17 01.25 – V C57
2020-09-15 00:24:11 s 1 -17664.070 0 +389785.58 2930.0 – C57
2020-09-15 00:34:11 S 00 22 47.825 -16 17 08.66 – V C57
2020-09-15 00:34:11 s 1 -18044.595 0 +389838.62 2480.0 – C57
2020-09-15 00:44:11 S 00 22 47.323 -16 17 13.88 – V C57
2020-09-15 00:44:11 s 1 -18425.083 0 +389890.70 1950.0 – C57
2020-09-15 00:54:11 S 00 22 47.018 -16 17 19.21 – V C57
2020-09-15 00:54:11 s 1 -18805.530 0 +389941.82 1340.0 – C57
2020-09-15 01:04:11 S 00 22 46.522 -16 17 25.62 – V C57