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
1971-05-29 07:25:30 A 17 40 14.39 -16 54 23.8 695
1971-05-29 08:30:54 A 17 40 11.83 -16 54 24.2 695
1973-09-25 08:42:05 A 03 30 34.98 -01 46 00.7 A 801
1973-09-29 09:13:00 A 03 36.61 -02 21.7 693
1973-09-29 09:35:00 A 03 36.63 -02 21.8 693
1973-10-06 06:24:29 A 03 46 42.79 -03 30 39.3 A 801
1973-10-28 09:08:00 A 04 17 22.62 -07 58 16.9 693
1973-10-28 09:31:00 A 04 17 23.78 -07 58 28.9 693
1973-10-30 22:49:04 A 04 20 49.08 -08 30 15.0 022
1973-10-30 23:06:01 A 04 20 49.95 -08 30 23.5 022
1973-11-07 22:56:54 A 04 31 35.66 -10 02 07.9 022
1973-11-07 23:10:52 A 04 31 36.38 -10 02 14.2 022
1973-11-20 22:34:44 A 04 50 32.33 -11 36 17.0 022
1973-11-20 22:46:42 A 04 50 33.03 -11 36 18.7 022
1973-11-27 21:11:20 A 05 02 23.64 -11 33 31.6 022
1973-11-27 21:23:18 A 05 02 24.46 -11 33 29.6 022
1973-11-29 21:54:18 A 05 06 14.01 -11 22 20.9 022
1973-11-29 22:06:16 A 05 06 14.87 -11 22 17.0 022
1973-12-04 22:04:06 A 05 16 42.42 -10 29 35.0 022
1973-12-04 22:14:05 A 05 16 43.30 -10 29 28.8 022
1973-12-10 05:16:04 A 05 29 39.41 -08 46 26.6 805
1973-12-10 05:25:04 A 05 29 40.41 -08 46 16.0 805
1973-12-10 05:38:35 A 05 29 41.74 -08 46 04.2 805
1973-12-17 21:31:26 A 05 52 42.82 -04 34 02.0 022
1973-12-17 21:40:26 A 05 52 43.98 -04 33 46.2 022
1973-12-19 21:52:50 A 05 59 40.34 -03 03 52.5 095
1973-12-19 22:07:49 A 05 59 42.33 -03 03 23.3 095
1973-12-19 22:22:49 A 05 59 44.36 -03 02 53.1 095
1973-12-20 21:53:34 A 06 03 17.49 -02 15 13.8 095
1973-12-20 22:08:28 A 06 03 19.60 -02 14 43.3 095
1973-12-29 06:05:24 A 06 37 25.04 +06 04 05.0 A 801
1973-12-30 21:28:56 A 06 44 57.24 +07 58 36.3 046
1973-12-30 21:41:56 A 06 44 59.60 +07 59 14.4 046
1973-12-30 22:19:23 A 06 45 06.62 +08 01 06.9 12.5 026
1973-12-30 22:27:52 A 06 45 08.12 +08 01 31.7 026
1973-12-31 00:11:59 A 06 45 27.45 +08 06 32.4 994
1973-12-31 13:25:53 A 06 48 04.20 +08 46 15.7 330
1974-01-10 19:02:13 A 07 38 37.04 +21 06 11.7 022
1974-01-10 19:08:42 A 07 38 38.36 +21 06 30.3 022
1974-01-12 20:02:04 A 07 48 47.45 +23 21 09.8 046
1974-01-12 20:10:05 A 07 48 49.04 +23 21 30.9 046
1974-01-13 19:10:37 A 07 53 33.22 +24 21 57.4 046
1974-01-13 19:14:22 A 07 53 34.04 +24 22 06.5 046
1974-01-13 20:05:44 A 07 53 44.46 +24 24 25.7 022
1974-01-13 20:10:43 A 07 53 45.43 +24 24 38.3 022
1974-01-14 19:47:53 A 07 58 33.29 +25 24 35.2 073
1974-01-14 20:09:48 A 07 58 37.39 +25 25 27.3 073
1974-01-14 20:12:09 A 07 58 38.26 +25 25 27.0 046
1974-01-14 20:16:09 A 07 58 39.02 +25 25 37.8 046
1974-01-15 20:24:23 A 08 03 30.11 +26 24 27.1 022