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 08:34:11 s 1 +18517.278 0 +380292.87 5330.0 – C57
2020-09-14 08:44:11 S 00 23 26.998 -16 07 40.30 – V C57
2020-09-14 08:44:11 s 1 +18137.465 0 +380439.38 8750.0 – C57
2020-09-14 08:54:11 S 00 23 26.563 -16 07 46.13 – V C57
2020-09-14 08:54:11 s 1 +17757.597 0 +380584.87 2160.0 – C57
2020-09-14 08:58:37 C 00 24 02.86 -16 07 31.3 – U I41
2020-09-14 09:04:11 S 00 23 26.172 -16 07 51.71 – V C57
2020-09-14 09:04:11 s 1 +17377.674 0 +380729.36 5570.0 – C57
2020-09-14 09:14:11 S 00 23 25.728 -16 07 57.43 – V C57
2020-09-14 09:14:11 s 1 +16997.699 0 +380872.83 8960.0 – C57
2020-09-14 09:24:11 S 00 23 25.318 -16 08 04.13 – V C57
2020-09-14 09:24:11 s 1 +16617.672 0 +381015.31 2350.0 – C57
2020-09-14 09:34:11 S 00 23 24.871 -16 08 10.75 – V C57
2020-09-14 09:34:11 s 1 +16237.594 0 +381156.77 5720.0 – C57
2020-09-14 09:44:11 S 00 23 24.442 -16 08 16.15 – V C57
2020-09-14 09:44:11 s 1 +15857.466 0 +381297.23 9080.0 – C57
2020-09-14 09:54:12 S 00 23 24.072 -16 08 20.98 – V C57
2020-09-14 09:54:12 s 1 +15477.290 0 +381436.68 2430.0 – C57
2020-09-14 10:04:11 S 00 23 23.642 -16 08 28.36 – V C57
2020-09-14 10:04:11 s 1 +15097.066 0 +381575.13 5770.0 – C57
2020-09-14 10:14:11 S 00 23 23.275 -16 08 33.29 – V C57
2020-09-14 10:14:11 s 1 +14716.795 0 +381712.58 9100.0 – C57
2020-09-14 10:17:17 C 00 23 59.971 -16 08 17.46 – U F51
2020-09-14 10:24:11 S 00 23 22.798 -16 08 39.59 – V C57
2020-09-14 10:24:11 s 1 +14336.479 0 +381849.02 2410.0 – C57
2020-09-14 10:33:42 C 00 23 59.286 -16 08 27.39 – U F51
2020-09-14 10:34:11 S 00 23 22.435 -16 08 45.49 – V C57
2020-09-14 10:34:11 s 1 +13956.118 0 +381984.45 5700.0 – C57
2020-09-14 10:44:11 S 00 23 21.998 -16 08 51.18 – V C57
2020-09-14 10:44:11 s 1 +13575.714 0 +382118.89 8980.0 – C57
2020-09-14 10:50:02 C 00 23 58.603 -16 08 37.47 – U F51
2020-09-14 10:54:11 S 00 23 21.545 -16 08 57.41 – V C57
2020-09-14 10:54:11 s 1 +13195.267 0 +382252.32 2240.0 – C57
2020-09-14 11:04:11 S 00 23 21.170 -16 09 03.35 – V C57
2020-09-14 11:04:11 s 1 +12814.780 0 +382384.76 5480.0 – C57
2020-09-14 11:14:11 S 00 23 20.731 -16 09 10.12 – V C57
2020-09-14 11:14:11 s 1 +12434.251 0 +382516.19 8710.0 – C57
2020-09-14 11:24:12 S 00 23 20.330 -16 09 15.26 – V C57
2020-09-14 11:24:12 s 1 +12053.684 0 +382646.62 1910.0 – C57
2020-09-14 11:34:11 S 00 23 19.908 -16 09 22.43 – V C57
2020-09-14 11:34:11 s 1 +11673.078 0 +382776.05 5100.0 – C57
2020-09-14 11:44:11 S 00 23 19.462 -16 09 27.54 – V C57
2020-09-14 11:44:11 s 1 +11292.435 0 +382904.48 8270.0 – C57
2020-09-14 11:54:11 S 00 23 19.142 -16 09 32.83 – V C57
2020-09-14 11:54:11 s 1 +10911.756 0 +383031.92 1410.0 – C57
2020-09-14 12:04:11 S 00 23 18.720 -16 09 39.89 – V C57
2020-09-14 12:04:11 s 1 +10531.042 0 +383158.35 4530.0 – C57
2020-09-14 12:14:11 S 00 23 18.307 -16 09 45.32 – V C57
2020-09-14 12:14:11 s 1 +10150.294 0 +383283.79 7630.0 – C57
2020-09-14 12:24:11 S 00 23 17.854 -16 09 51.05 – V C57