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 17:44:11 s 1 -56866.155 0 +390210.82 3680.0 – C57
2020-09-15 17:54:11 S 00 22 04.937 -16 27 29.88 – V C57
2020-09-15 17:54:11 s 1 -57237.817 0 +390165.53 2410.0 – C57
2020-09-15 18:04:11 S 00 22 04.524 -16 27 35.57 – V C57
2020-09-15 18:04:11 s 1 -57609.348 0 +390119.30 1000.0 – C57
2020-09-15 18:14:11 S 00 22 04.114 -16 27 41.29 – V C57
2020-09-15 18:14:11 s 1 -57980.745 0 +390072.14 9460.0 – C57
2020-09-15 18:24:11 S 00 22 03.749 -16 27 47.02 – V C57
2020-09-15 18:24:11 s 1 -58352.008 0 +390024.05 7780.0 – C57
2020-09-15 18:34:11 S 00 22 03.247 -16 27 53.60 – V C57
2020-09-15 18:34:11 s 1 -58723.137 0 +389975.03 5970.0 – C57
2020-09-15 18:44:11 S 00 22 02.873 -16 27 58.00 – V C57
2020-09-15 18:44:11 s 1 -59094.131 0 +389925.07 4020.0 – C57
2020-09-15 18:54:11 S 00 22 02.494 -16 28 05.77 – V C57
2020-09-15 18:54:11 s 1 -59464.988 0 +389874.19 1930.0 – C57
2020-09-15 19:04:11 S 00 22 02.042 -16 28 11.14 – V C57
2020-09-15 19:04:11 s 1 -59835.708 0 +389822.37 9700.0 – C57
2020-09-15 19:14:11 S 00 22 01.692 -16 28 17.18 – V C57
2020-09-15 19:14:11 s 1 -60206.290 0 +389769.62 7340.0 – C57
2020-09-15 19:24:11 S 00 22 01.231 -16 28 23.59 – V C57
2020-09-15 19:24:11 s 1 -60576.732 0 +389715.94 4840.0 – C57
2020-09-15 19:34:11 S 00 22 00.857 -16 28 29.10 – V C57
2020-09-15 19:34:11 s 1 -60947.035 0 +389661.33 2200.0 – C57
2020-09-15 19:44:11 S 00 22 00.377 -16 28 35.08 – V C57
2020-09-15 19:44:11 s 1 -61317.197 0 +389605.79 9410.0 – C57
2020-09-15 19:54:11 S 00 21 59.986 -16 28 40.58 – V C57
2020-09-15 19:54:11 s 1 -61687.217 0 +389549.32 6490.0 – C57
2020-09-15 20:04:11 S 00 21 59.669 -16 28 46.92 – V C57
2020-09-15 20:04:11 s 1 -62057.095 0 +389491.92 3430.0 – C57
2020-09-15 20:14:11 S 00 21 59.143 -16 28 53.51 – V C57
2020-09-15 20:14:11 s 1 -62426.829 0 +389433.59 220.0 – C57
2020-09-15 20:24:11 S 00 21 58.838 -16 28 58.44 – V C57
2020-09-15 20:24:11 s 1 -62796.419 0 +389374.33 6880.0 – C57
2020-09-15 20:34:11 S 00 21 58.325 -16 29 05.50 – V C57
2020-09-15 20:34:11 s 1 -63165.864 0 +389314.14 3390.0 – C57
2020-09-15 20:44:11 S 00 21 57.936 -16 29 11.18 – V C57
2020-09-15 20:44:11 s 1 -63535.162 0 +389253.02 9750.0 – C57
2020-09-15 20:54:11 S 00 21 57.559 -16 29 17.16 – V C57
2020-09-15 20:54:11 s 1 -63904.314 0 +389190.97 5970.0 – C57
2020-09-15 21:04:11 S 00 21 57.065 -16 29 23.39 – V C57
2020-09-15 21:04:11 s 1 -64273.318 0 +389127.99 2050.0 – C57
2020-09-15 21:14:11 S 00 21 56.810 -16 29 28.82 – V C57
2020-09-15 21:14:11 s 1 -64642.172 0 +389064.08 7990.0 – C57
2020-09-15 21:24:11 S 00 21 56.304 -16 29 35.45 – V C57
2020-09-15 21:24:11 s 1 -65010.878 0 +388999.24 3770.0 – C57
2020-09-15 21:34:11 S 00 21 55.853 -16 29 41.71 – V C57
2020-09-15 21:34:11 s 1 -65379.432 0 +388933.47 9410.0 – C57
2020-09-15 21:44:11 S 00 21 55.510 -16 29 46.90 – V C57
2020-09-15 21:44:11 s 1 -65747.835 0 +388866.78 4910.0 – C57
2020-09-15 21:54:11 S 00 21 55.030 -16 29 52.44 – V C57