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 04:34:11 S 00 23 37.313 -16 05 10.72 – V C57
2020-09-14 04:34:11 s 1 +27613.464 0 +376472.47 2850.0 – C57
2020-09-14 04:44:11 S 00 23 36.778 -16 05 17.20 – V C57
2020-09-14 04:44:11 s 1 +27235.298 0 +376643.38 6230.0 – C57
2020-09-14 04:54:11 S 00 23 36.466 -16 05 22.02 – V C57
2020-09-14 04:54:11 s 1 +26857.051 0 +376813.27 9620.0 – C57
2020-09-14 05:04:11 S 00 23 35.993 -16 05 28.79 – V C57
2020-09-14 05:04:11 s 1 +26478.724 0 +376982.13 3020.0 – C57
2020-09-14 05:14:11 S 00 23 35.582 -16 05 33.94 – V C57
2020-09-14 05:14:11 s 1 +26100.318 0 +377149.96 6430.0 – C57
2020-09-14 05:24:12 S 00 23 35.239 -16 05 39.37 – V C57
2020-09-14 05:24:12 s 1 +25721.833 0 +377316.78 9850.0 – C57
2020-09-14 05:34:11 S 00 23 34.771 -16 05 46.03 – V C57
2020-09-14 05:34:11 s 1 +25343.272 0 +377482.57 3270.0 – C57
2020-09-14 05:44:12 S 00 23 34.452 -16 05 52.01 – V C57
2020-09-14 05:44:12 s 1 +24964.635 0 +377647.34 6700.0 – C57
2020-09-14 05:54:11 S 00 23 33.986 -16 05 58.31 – V C57
2020-09-14 05:54:11 s 1 +24585.923 0 +377811.09 140.0 – C57
2020-09-14 06:04:11 S 00 23 33.526 -16 06 04.25 – V C57
2020-09-14 06:04:11 s 1 +24207.138 0 +377973.82 3580.0 – C57
2020-09-14 06:14:11 S 00 23 33.168 -16 06 09.97 – V C57
2020-09-14 06:14:11 s 1 +23828.280 0 +378135.54 7030.0 – C57
2020-09-14 06:24:11 S 00 23 32.683 -16 06 16.45 – V C57
2020-09-14 06:24:11 s 1 +23449.351 0 +378296.23 480.0 – C57
2020-09-14 06:34:11 S 00 23 32.359 -16 06 21.74 – V C57
2020-09-14 06:34:11 s 1 +23070.351 0 +378455.91 3940.0 – C57
2020-09-14 06:44:11 S 00 23 31.915 -16 06 28.51 – V C57
2020-09-14 06:44:11 s 1 +22691.283 0 +378614.57 7390.0 – C57
2020-09-14 06:54:12 S 00 23 31.522 -16 06 34.09 – V C57
2020-09-14 06:54:12 s 1 +22312.146 0 +378772.21 850.0 – C57
2020-09-14 07:04:11 S 00 23 31.085 -16 06 40.28 – V C57
2020-09-14 07:04:11 s 1 +21932.943 0 +378928.84 4310.0 – C57
2020-09-14 07:14:12 S 00 23 30.658 -16 06 46.12 – V C57
2020-09-14 07:14:12 s 1 +21553.674 0 +379084.45 7770.0 – C57
2020-09-14 07:24:11 S 00 23 30.422 -16 06 52.60 – V C57
2020-09-14 07:24:11 s 1 +21174.340 0 +379239.05 1220.0 – C57
2020-09-14 07:34:11 S 00 23 29.923 -16 06 59.94 – V C57
2020-09-14 07:34:11 s 1 +20794.942 0 +379392.63 4680.0 – C57
2020-09-14 07:44:11 S 00 23 29.520 -16 07 06.53 – V C57
2020-09-14 07:44:11 s 1 +20415.481 0 +379545.20 8130.0 – C57
2020-09-14 07:50:13 C 00 24 05.69 -16 06 49.5 – U I41
2020-09-14 07:54:11 S 00 23 29.021 -16 07 10.78 – V C57
2020-09-14 07:54:11 s 1 +20035.959 0 +379696.76 1580.0 – C57
2020-09-14 08:04:11 S 00 23 28.550 -16 07 16.86 – V C57
2020-09-14 08:04:11 s 1 +19656.377 0 +379847.30 5020.0 – C57
2020-09-14 08:14:11 S 00 23 28.234 -16 07 21.86 – V C57
2020-09-14 08:14:11 s 1 +19276.736 0 +379996.84 8460.0 – C57
2020-09-14 08:24:12 S 00 23 27.763 -16 07 28.16 – V C57
2020-09-14 08:24:12 s 1 +18897.036 0 +380145.36 1900.0 – C57
2020-09-14 08:34:11 S 00 23 27.408 -16 07 33.67 – V C57