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 09:14:11 s 1 -37757.160 0 +391279.63 3650.0 – C57
2020-09-15 09:24:11 S 00 22 25.990 -16 22 24.53 – V C57
2020-09-15 09:24:11 s 1 -38134.377 0 +391282.18 8480.0 – C57
2020-09-15 09:34:11 S 00 22 25.522 -16 22 31.08 – V C57
2020-09-15 09:34:11 s 1 -38511.508 0 +391283.77 3200.0 – C57
2020-09-15 09:44:11 S 00 22 25.150 -16 22 36.34 – V C57
2020-09-15 09:44:11 s 1 -38888.551 0 +391284.43 7820.0 – C57
2020-09-15 09:54:11 S 00 22 24.713 -16 22 42.49 – V C57
2020-09-15 09:54:11 s 1 -39265.506 0 +391284.14 2330.0 – C57
2020-09-15 10:04:11 S 00 22 24.271 -16 22 48.72 – V C57
2020-09-15 10:04:11 s 1 -39642.371 0 +391282.91 6730.0 – C57
2020-09-15 10:14:11 S 00 22 23.935 -16 22 54.05 – V C57
2020-09-15 10:14:11 s 1 -40019.146 0 +391280.74 1030.0 – C57
2020-09-15 10:24:11 S 00 22 23.419 -16 23 00.46 – V C57
2020-09-15 10:24:11 s 1 -40395.829 0 +391277.62 5210.0 – C57
2020-09-15 10:34:11 S 00 22 23.057 -16 23 06.61 – V C57
2020-09-15 10:34:11 s 1 -40772.421 0 +391273.56 9290.0 – C57
2020-09-15 10:44:11 S 00 22 22.668 -16 23 12.48 – V C57
2020-09-15 10:44:11 s 1 -41148.919 0 +391268.55 3260.0 – C57
2020-09-15 10:54:11 S 00 22 22.270 -16 23 18.89 – V C57
2020-09-15 10:54:11 s 1 -41525.324 0 +391262.61 7120.0 – C57
2020-09-15 11:04:11 S 00 22 21.907 -16 23 24.11 – V C57
2020-09-15 11:04:11 s 1 -41901.634 0 +391255.72 870.0 – C57
2020-09-15 11:14:11 S 00 22 21.410 -16 23 31.20 – V C57
2020-09-15 11:14:11 s 1 -42277.848 0 +391247.90 4510.0 – C57
2020-09-15 11:24:11 S 00 22 21.024 -16 23 36.35 – V C57
2020-09-15 11:24:11 s 1 -42653.966 0 +391239.13 8040.0 – C57
2020-09-15 11:34:11 S 00 22 20.563 -16 23 41.32 – V C57
2020-09-15 11:34:11 s 1 -43029.986 0 +391229.42 1450.0 – C57
2020-09-15 11:44:11 S 00 22 20.179 -16 23 47.80 – V C57
2020-09-15 11:44:11 s 1 -43405.908 0 +391218.77 4750.0 – C57
2020-09-15 11:45:30 C 00 22 58.60 -16 23 49.2 – V T08
2020-09-15 11:49:31 C 00 22 58.42 -16 23 51.6 – V T08
2020-09-15 11:53:33 C 00 22 58.26 -16 23 54.1 – V T08
2020-09-15 11:54:11 S 00 22 19.822 -16 23 53.45 – V C57
2020-09-15 11:54:11 s 1 -43781.731 0 +391207.17 7940.0 – C57
2020-09-15 12:04:11 S 00 22 19.366 -16 24 00.86 – V C57
2020-09-15 12:04:11 s 1 -44157.454 0 +391194.64 1010.0 – C57
2020-09-15 12:14:11 S 00 22 19.006 -16 24 05.04 – V C57
2020-09-15 12:14:11 s 1 -44533.076 0 +391181.17 3970.0 – C57
2020-09-15 12:24:11 S 00 22 18.518 -16 24 12.71 – V C57
2020-09-15 12:24:11 s 1 -44908.596 0 +391166.76 6820.0 – C57
2020-09-15 12:34:11 S 00 22 18.142 -16 24 18.36 – V C57
2020-09-15 12:34:11 s 1 -45284.013 0 +391151.41 9550.0 – C57
2020-09-15 12:35:39 C 00 22 56.43 -16 24 19.6 – V T08
2020-09-15 12:38:21 C 00 22 56.32 -16 24 21.3 – V T08
2020-09-15 12:44:01 C 00 22 56.07 -16 24 24.7 – V T08
2020-09-15 12:44:11 S 00 22 17.753 -16 24 24.08 – V C57
2020-09-15 12:44:11 s 1 -45659.327 0 +391135.12 2160.0 – C57
2020-09-15 12:46:01 C 00 22 55.98 -16 24 26.0 – V T08