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 12:50:39 C 00 22 55.79 -16 24 28.8 – V T08
2020-09-15 12:54:11 S 00 22 17.242 -16 24 30.56 – V C57
2020-09-15 12:54:11 s 1 -46034.536 0 +391117.89 4660.0 – C57
2020-09-15 13:04:11 S 00 22 16.915 -16 24 35.64 – V C57
2020-09-15 13:04:11 s 1 -46409.639 0 +391099.72 7040.0 – C57
2020-09-15 13:14:11 S 00 22 16.452 -16 24 42.95 – V C57
2020-09-15 13:14:11 s 1 -46784.637 0 +391080.62 9300.0 – C57
2020-09-15 13:24:11 S 00 22 16.097 -16 24 48.74 – V C57
2020-09-15 13:24:11 s 1 -47159.527 0 +391060.57 1440.0 – C57
2020-09-15 13:34:11 S 00 22 15.677 -16 24 54.11 – V C57
2020-09-15 13:34:11 s 1 -47534.309 0 +391039.59 3460.0 – C57
2020-09-15 13:44:11 S 00 22 15.221 -16 25 00.12 – V C57
2020-09-15 13:44:11 s 1 -47908.982 0 +391017.67 5370.0 – C57
2020-09-15 14:44:11 S 00 22 12.833 -16 25 35.29 – V C57
2020-09-15 14:44:11 s 1 -50154.684 0 +390866.47 4250.0 – C57
2020-09-15 14:54:11 S 00 22 12.293 -16 25 41.48 – V C57
2020-09-15 14:54:11 s 1 -50528.570 0 +390837.99 5300.0 – C57
2020-09-15 15:04:11 S 00 22 11.974 -16 25 48.11 – V C57
2020-09-15 15:04:11 s 1 -50902.340 0 +390808.58 6220.0 – C57
2020-09-15 15:14:11 S 00 22 11.532 -16 25 53.58 – V C57
2020-09-15 15:14:11 s 1 -51275.993 0 +390778.22 7020.0 – C57
2020-09-15 15:24:11 S 00 22 11.119 -16 25 59.99 – V C57
2020-09-15 15:24:11 s 1 -51649.528 0 +390746.94 7700.0 – C57
2020-09-15 15:34:11 S 00 22 10.776 -16 26 04.96 – V C57
2020-09-15 15:34:11 s 1 -52022.944 0 +390714.72 8250.0 – C57
2020-09-15 15:44:11 S 00 22 10.238 -16 26 11.83 – V C57
2020-09-15 15:44:11 s 1 -52396.241 0 +390681.56 8670.0 – C57
2020-09-15 15:54:11 S 00 22 09.900 -16 26 16.66 – V C57
2020-09-15 15:54:11 s 1 -52769.417 0 +390647.47 8970.0 – C57
2020-09-15 16:04:11 S 00 22 09.514 -16 26 23.71 – V C57
2020-09-15 16:04:11 s 1 -53142.472 0 +390612.45 9140.0 – C57
2020-09-15 16:14:11 S 00 22 09.053 -16 26 29.40 – V C57
2020-09-15 16:14:11 s 1 -53515.405 0 +390576.48 9180.0 – C57
2020-09-15 16:24:11 S 00 22 08.674 -16 26 35.27 – V C57
2020-09-15 16:24:11 s 1 -53888.215 0 +390539.59 9090.0 – C57
2020-09-15 16:34:11 S 00 22 08.263 -16 26 41.68 – V C57
2020-09-15 16:34:11 s 1 -54260.901 0 +390501.76 8870.0 – C57
2020-09-15 16:44:11 S 00 22 07.915 -16 26 47.54 – V C57
2020-09-15 16:44:11 s 1 -54633.462 0 +390463.00 8520.0 – C57
2020-09-15 16:54:11 S 00 22 07.382 -16 26 53.63 – V C57
2020-09-15 16:54:11 s 1 -55005.897 0 +390423.30 8050.0 – C57
2020-09-15 17:04:11 S 00 22 06.974 -16 26 59.46 – V C57
2020-09-15 17:04:11 s 1 -55378.205 0 +390382.67 7440.0 – C57
2020-09-15 17:14:11 S 00 22 06.653 -16 27 05.22 – V C57
2020-09-15 17:14:11 s 1 -55750.386 0 +390341.11 6700.0 – C57
2020-09-15 17:24:11 S 00 22 06.151 -16 27 11.05 – V C57
2020-09-15 17:24:11 s 1 -56122.439 0 +390298.61 5820.0 – C57
2020-09-15 17:34:11 S 00 22 05.760 -16 27 17.10 – V C57
2020-09-15 17:34:11 s 1 -56494.362 0 +390255.18 4820.0 – C57
2020-09-15 17:44:11 S 00 22 05.309 -16 27 23.36 – V C57