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 05:54:11 s 1 -30195.971 0 +391030.03 5930.0 – C57
2020-09-15 06:04:11 S 00 22 34.186 -16 20 24.47 – V C57
2020-09-15 06:04:11 s 1 -30574.736 0 +391051.52 2730.0 – C57
2020-09-15 06:14:11 S 00 22 33.871 -16 20 30.91 – V C57
2020-09-15 06:14:11 s 1 -30953.431 0 +391072.06 9450.0 – C57
2020-09-15 06:16:06 C 00 23 12.30 -16 20 29.3 – V 703
2020-09-15 06:24:06 C 00 23 11.97 -16 20 34.7 – V 703
2020-09-15 06:24:11 S 00 22 33.353 -16 20 36.89 – V C57
2020-09-15 06:24:11 s 1 -31332.057 0 +391091.65 6060.0 – C57
2020-09-15 06:32:05 C 00 23 11.63 -16 20 39.6 – V 703
2020-09-15 06:34:11 S 00 22 33.012 -16 20 42.32 – V C57
2020-09-15 06:34:11 s 1 -31710.612 0 +391110.29 2590.0 – C57
2020-09-15 06:40:06 C 00 23 11.17 -16 20 45.5 – V 703
2020-09-15 06:44:11 S 00 22 32.470 -16 20 49.20 – V C57
2020-09-15 06:44:11 s 1 -32089.096 0 +391127.98 9020.0 – C57
2020-09-15 06:54:11 S 00 22 32.155 -16 20 54.78 – V C57
2020-09-15 06:54:11 s 1 -32467.508 0 +391144.72 5350.0 – C57
2020-09-15 07:04:11 S 00 22 31.752 -16 21 00.58 – V C57
2020-09-15 07:04:11 s 1 -32845.846 0 +391160.51 1590.0 – C57
2020-09-15 07:14:11 S 00 22 31.306 -16 21 06.66 – V C57
2020-09-15 07:14:11 s 1 -33224.109 0 +391175.36 7730.0 – C57
2020-09-15 07:24:11 S 00 22 30.955 -16 21 12.49 – V C57
2020-09-15 07:24:11 s 1 -33602.298 0 +391189.25 3780.0 – C57
2020-09-15 07:30:00 C 00 23 09.19 -16 21 15.0 – U I41
2020-09-15 07:34:11 S 00 22 30.478 -16 21 19.26 – V C57
2020-09-15 07:34:11 s 1 -33980.411 0 +391202.20 9720.0 – C57
2020-09-15 07:44:11 S 00 22 30.098 -16 21 24.52 – V C57
2020-09-15 07:44:11 s 1 -34358.446 0 +391214.20 5570.0 – C57
2020-09-15 07:54:11 S 00 22 29.652 -16 21 31.21 – V C57
2020-09-15 07:54:11 s 1 -34736.404 0 +391225.26 1320.0 – C57
2020-09-15 08:04:11 S 00 22 29.213 -16 21 36.22 – V C57
2020-09-15 08:04:11 s 1 -35114.284 0 +391235.37 6960.0 – C57
2020-09-15 08:09:57 C 00 23 07.45 -16 21 39.2 – V G96
2020-09-15 08:14:11 S 00 22 28.831 -16 21 42.37 – V C57
2020-09-15 08:14:11 s 1 -35492.083 0 +391244.53 2510.0 – C57
2020-09-15 08:18:00 C 00 23 07.11 -16 21 44.2 – V G96
2020-09-15 08:20:12 C 00 23 07.05 -16 21 45.8 – U I41
2020-09-15 08:24:11 S 00 22 28.404 -16 21 48.82 – V C57
2020-09-15 08:24:11 s 1 -35869.803 0 +391252.74 7960.0 – C57
2020-09-15 08:26:01 C 00 23 06.76 -16 21 48.9 – V G96
2020-09-15 08:34:05 C 00 23 06.42 -16 21 53.7 – V G96
2020-09-15 08:34:11 S 00 22 28.066 -16 21 54.22 – V C57
2020-09-15 08:34:11 s 1 -36247.440 0 +391260.01 3300.0 – C57
2020-09-15 08:44:11 S 00 22 27.602 -16 22 00.88 – V C57
2020-09-15 08:44:11 s 1 -36624.996 0 +391266.33 8540.0 – C57
2020-09-15 08:54:11 S 00 22 27.156 -16 22 06.06 – V C57
2020-09-15 08:54:11 s 1 -37002.468 0 +391271.71 3680.0 – C57
2020-09-15 09:04:11 S 00 22 26.827 -16 22 11.14 – V C57
2020-09-15 09:04:11 s 1 -37379.856 0 +391276.14 8720.0 – C57
2020-09-15 09:14:11 S 00 22 26.374 -16 22 18.48 – V C57