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
2020-09-13 16:04:11 S 00 24 08.230 -15 57 42.16 – V C57
2020-09-13 16:04:11 s 1 +55657.768 0 +360681.61 9220.0 – C57
2020-09-13 16:14:10 S 00 24 07.740 -15 57 48.46 – V C57
2020-09-13 16:14:10 s 1 +55289.120 0 +360931.48 9050.0 – C57
2020-09-13 16:24:11 S 00 24 07.356 -15 57 54.25 – V C57
2020-09-13 16:24:11 s 1 +54920.298 0 +361180.26 8800.0 – C57
2020-09-13 16:34:12 S 00 24 06.972 -15 58 00.66 – V C57
2020-09-13 16:34:12 s 1 +54551.303 0 +361427.96 8480.0 – C57
2020-09-13 16:44:11 S 00 24 06.554 -15 58 05.20 – V C57
2020-09-13 16:44:11 s 1 +54182.136 0 +361674.58 8090.0 – C57
2020-09-13 16:54:12 S 00 24 06.154 -15 58 11.71 – V C57
2020-09-13 16:54:12 s 1 +53812.799 0 +361920.12 7620.0 – C57
2020-09-13 17:04:11 S 00 24 05.731 -15 58 18.66 – V C57
2020-09-13 17:04:11 s 1 +53443.294 0 +362164.58 7080.0 – C57
2020-09-13 17:14:11 S 00 24 05.352 -15 58 23.59 – V C57
2020-09-13 17:14:11 s 1 +53073.620 0 +362407.96 6470.0 – C57
2020-09-13 17:24:12 S 00 24 04.858 -15 58 30.32 – V C57
2020-09-13 17:24:12 s 1 +52703.781 0 +362650.26 5790.0 – C57
2020-09-13 17:34:11 S 00 24 04.490 -15 58 36.05 – V C57
2020-09-13 17:34:11 s 1 +52333.777 0 +362891.49 5040.0 – C57
2020-09-13 17:44:12 S 00 24 04.092 -15 58 42.24 – V C57
2020-09-13 17:44:12 s 1 +51963.609 0 +363131.64 4220.0 – C57
2020-09-13 17:54:11 S 00 24 03.670 -15 58 47.71 – V C57
2020-09-13 17:54:11 s 1 +51593.279 0 +363370.71 3330.0 – C57
2020-09-13 18:04:12 S 00 24 03.252 -15 58 53.62 – V C57
2020-09-13 18:04:12 s 1 +51222.789 0 +363608.71 2380.0 – C57
2020-09-13 18:14:11 S 00 24 02.765 -15 59 00.53 – V C57
2020-09-13 18:14:11 s 1 +50852.139 0 +363845.63 1360.0 – C57
2020-09-13 18:24:12 S 00 24 02.402 -15 59 05.82 – V C57
2020-09-13 18:24:12 s 1 +50481.330 0 +364081.49 280.0 – C57
2020-09-13 18:34:11 S 00 24 01.985 -15 59 12.01 – V C57
2020-09-13 18:34:11 s 1 +50110.365 0 +364316.27 9130.0 – C57
2020-09-13 18:44:11 S 00 24 01.618 -15 59 17.66 – V C57
2020-09-13 18:44:11 s 1 +49739.245 0 +364549.98 7920.0 – C57
2020-09-13 18:54:12 S 00 24 01.205 -15 59 23.53 – V C57
2020-09-13 18:54:12 s 1 +49367.970 0 +364782.62 6650.0 – C57
2020-09-13 19:04:11 S 00 24 00.749 -15 59 30.05 – V C57
2020-09-13 19:04:11 s 1 +48996.543 0 +365014.19 5310.0 – C57
2020-09-13 19:14:12 S 00 24 00.408 -15 59 35.02 – V C57
2020-09-13 19:14:12 s 1 +48624.964 0 +365244.69 3920.0 – C57
2020-09-13 19:24:11 S 00 23 59.914 -15 59 42.90 – V C57
2020-09-13 19:24:11 s 1 +48253.235 0 +365474.12 2470.0 – C57
2020-09-13 19:34:12 S 00 23 59.530 -15 59 46.54 – V C57
2020-09-13 19:34:12 s 1 +47881.357 0 +365702.49 960.0 – C57
2020-09-13 19:44:11 S 00 23 59.191 -15 59 52.58 – V C57
2020-09-13 19:44:11 s 1 +47509.331 0 +365929.79 9390.0 – C57
2020-09-13 19:54:11 S 00 23 58.702 -15 59 59.86 – V C57
2020-09-13 19:54:11 s 1 +47137.159 0 +366156.03 7760.0 – C57
2020-09-13 20:04:11 S 00 23 58.339 -16 00 04.86 – V C57
2020-09-13 20:04:11 s 1 +46764.842 0 +366381.20 6080.0 – C57