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 20:14:11 S 00 23 57.857 -16 00 10.91 – V C57
2020-09-13 20:14:11 s 1 +46392.381 0 +366605.31 4350.0 – C57
2020-09-13 20:24:12 S 00 23 57.425 -16 00 18.43 – V C57
2020-09-13 20:24:12 s 1 +46019.777 0 +366828.36 2560.0 – C57
2020-09-13 20:34:11 S 00 23 57.142 -16 00 23.44 – V C57
2020-09-13 20:34:11 s 1 +45647.033 0 +367050.35 720.0 – C57
2020-09-13 20:44:12 S 00 23 56.681 -16 00 29.77 – V C57
2020-09-13 20:44:12 s 1 +45274.148 0 +367271.27 8830.0 – C57
2020-09-13 20:54:11 S 00 23 56.270 -16 00 35.10 – V C57
2020-09-13 20:54:11 s 1 +44901.125 0 +367491.14 6880.0 – C57
2020-09-13 21:04:12 S 00 23 55.762 -16 00 41.33 – V C57
2020-09-13 21:04:12 s 1 +44527.964 0 +367709.94 4890.0 – C57
2020-09-13 21:14:11 S 00 23 55.406 -16 00 47.05 – V C57
2020-09-13 21:14:11 s 1 +44154.667 0 +367927.69 2840.0 – C57
2020-09-13 21:24:11 S 00 23 54.910 -16 00 53.86 – V C57
2020-09-13 21:24:11 s 1 +43781.236 0 +368144.38 750.0 – C57
2020-09-13 21:34:11 S 00 23 54.530 -16 00 59.51 – V C57
2020-09-13 21:34:11 s 1 +43407.671 0 +368360.01 8610.0 – C57
2020-09-13 21:44:11 S 00 23 54.204 -16 01 05.38 – V C57
2020-09-13 21:44:11 s 1 +43033.973 0 +368574.59 6420.0 – C57
2020-09-13 21:54:12 S 00 23 53.712 -16 01 12.18 – V C57
2020-09-13 21:54:12 s 1 +42660.145 0 +368788.11 5810.0 – C57
2020-09-13 22:04:11 S 00 23 53.347 -16 01 16.32 – V C57
2020-09-13 22:04:11 s 1 +42286.186 0 +369000.57 8090.0 – C57
2020-09-13 22:14:12 S 00 23 52.901 -16 01 24.53 – V C57
2020-09-13 22:14:12 s 1 +41912.099 0 +369211.99 410.0 – C57
2020-09-13 22:24:11 S 00 23 52.529 -16 01 29.17 – V C57
2020-09-13 22:24:11 s 1 +41537.884 0 +369422.35 2780.0 – C57
2020-09-13 22:34:12 S 00 23 52.109 -16 01 35.08 – V C57
2020-09-13 22:34:12 s 1 +41163.544 0 +369631.66 5180.0 – C57
2020-09-13 22:44:11 S 00 23 51.672 -16 01 41.38 – V C57
2020-09-13 22:44:11 s 1 +40789.078 0 +369839.91 7630.0 – C57
2020-09-13 22:54:11 S 00 23 51.300 -16 01 47.53 – V C57
2020-09-13 22:54:11 s 1 +40414.489 0 +370047.12 120.0 – C57
2020-09-13 23:04:11 S 00 23 50.813 -16 01 53.18 – V C57
2020-09-13 23:04:11 s 1 +40039.778 0 +370253.28 2650.0 – C57
2020-09-13 23:14:11 S 00 23 50.498 -16 01 59.05 – V C57
2020-09-13 23:14:11 s 1 +39664.945 0 +370458.38 5220.0 – C57
2020-09-13 23:24:12 S 00 23 50.047 -16 02 04.20 – V C57
2020-09-13 23:24:12 s 1 +39289.992 0 +370662.44 7820.0 – C57
2020-09-13 23:34:11 S 00 23 49.584 -16 02 11.22 – V C57
2020-09-13 23:34:11 s 1 +38914.921 0 +370865.46 470.0 – C57
2020-09-13 23:44:12 S 00 23 49.246 -16 02 16.40 – V C57
2020-09-13 23:44:12 s 1 +38539.732 0 +371067.42 3150.0 – C57
2020-09-13 23:54:11 S 00 23 48.790 -16 02 23.32 – V C57
2020-09-13 23:54:11 s 1 +38164.426 0 +371268.34 5860.0 – C57
2020-09-14 00:04:12 S 00 23 48.403 -16 02 29.36 – V C57
2020-09-14 00:04:12 s 1 +37789.006 0 +371468.22 8610.0 – C57
2020-09-14 00:14:11 S 00 23 47.928 -16 02 35.48 – V C57
2020-09-14 00:14:11 s 1 +37413.471 0 +371667.05 1390.0 – C57