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 01:04:11 s 1 -19185.937 0 +389991.97 670.0 – C57
2020-09-15 01:14:11 S 00 22 46.142 -16 17 31.96 – V C57
2020-09-15 01:14:11 s 1 -19566.303 0 +390041.16 9920.0 – C57
2020-09-15 01:24:11 S 00 22 45.720 -16 17 37.79 – V C57
2020-09-15 01:24:11 s 1 -19946.626 0 +390089.40 9090.0 – C57
2020-09-15 01:34:11 S 00 22 45.353 -16 17 43.33 – V C57
2020-09-15 01:34:11 s 1 -20326.905 0 +390136.67 8180.0 – C57
2020-09-15 01:44:11 S 00 22 44.986 -16 17 48.88 – V C57
2020-09-15 01:44:11 s 1 -20707.141 0 +390182.99 7200.0 – C57
2020-09-15 01:54:11 S 00 22 44.467 -16 17 55.72 – V C57
2020-09-15 01:54:11 s 1 -21087.331 0 +390228.34 6150.0 – C57
2020-09-15 02:44:11 S 00 22 42.391 -16 18 25.49 – V C57
2020-09-15 02:44:11 s 1 -22987.573 0 +390440.74 9670.0 – C57
2020-09-15 02:54:11 S 00 22 42.060 -16 18 31.39 – V C57
2020-09-15 02:54:11 s 1 -23367.473 0 +390480.35 8140.0 – C57
2020-09-15 03:04:11 S 00 22 41.602 -16 18 37.69 – V C57
2020-09-15 03:04:11 s 1 -23747.322 0 +390519.00 6520.0 – C57
2020-09-15 03:14:11 S 00 22 41.203 -16 18 43.27 – V C57
2020-09-15 03:14:11 s 1 -24127.118 0 +390556.69 4820.0 – C57
2020-09-15 03:24:11 S 00 22 40.728 -16 18 48.89 – V C57
2020-09-15 03:24:11 s 1 -24506.860 0 +390593.43 3040.0 – C57
2020-09-15 03:34:11 S 00 22 40.291 -16 18 55.26 – V C57
2020-09-15 03:34:11 s 1 -24886.548 0 +390629.22 1170.0 – C57
2020-09-15 03:44:11 S 00 22 40.032 -16 19 01.27 – V C57
2020-09-15 03:44:11 s 1 -25266.181 0 +390664.04 9220.0 – C57
2020-09-15 03:54:11 S 00 22 39.492 -16 19 07.90 – V C57
2020-09-15 03:54:11 s 1 -25645.758 0 +390697.92 7190.0 – C57
2020-09-15 04:04:11 S 00 22 39.170 -16 19 13.37 – V C57
2020-09-15 04:04:11 s 1 -26025.278 0 +390730.83 5060.0 – C57
2020-09-15 04:14:11 S 00 22 38.736 -16 19 19.49 – V C57
2020-09-15 04:14:11 s 1 -26404.740 0 +390762.80 2860.0 – C57
2020-09-15 04:24:11 S 00 22 38.266 -16 19 24.60 – V C57
2020-09-15 04:24:11 s 1 -26784.143 0 +390793.81 560.0 – C57
2020-09-15 04:34:11 S 00 22 37.949 -16 19 30.76 – V C57
2020-09-15 04:34:11 s 1 -27163.486 0 +390823.86 8180.0 – C57
2020-09-15 04:44:11 S 00 22 37.423 -16 19 37.27 – V C57
2020-09-15 04:44:11 s 1 -27542.769 0 +390852.97 5720.0 – C57
2020-09-15 04:54:11 S 00 22 37.109 -16 19 43.10 – V C57
2020-09-15 04:54:11 s 1 -27921.990 0 +390881.12 3160.0 – C57
2020-09-15 05:04:11 S 00 22 36.624 -16 19 49.26 – V C57
2020-09-15 05:04:11 s 1 -28301.148 0 +390908.32 510.0 – C57
2020-09-15 05:14:11 S 00 22 36.257 -16 19 54.77 – V C57
2020-09-15 05:14:11 s 1 -28680.243 0 +390934.56 7780.0 – C57
2020-09-15 05:24:11 S 00 22 35.875 -16 20 00.02 – V C57
2020-09-15 05:24:11 s 1 -29059.274 0 +390959.85 4950.0 – C57
2020-09-15 05:34:11 S 00 22 35.383 -16 20 07.58 – V C57
2020-09-15 05:34:11 s 1 -29438.239 0 +390984.20 2030.0 – C57
2020-09-15 05:44:11 S 00 22 35.038 -16 20 13.09 – V C57
2020-09-15 05:44:11 s 1 -29817.139 0 +391007.59 9030.0 – C57
2020-09-15 05:54:11 S 00 22 34.565 -16 20 19.28 – V C57