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
2004-08-15 05:24:06 C 21 36 03.94 -21 41 57.8 17.7 c 644
2004-08-15 05:56:06 C 21 36 02.45 -21 42 07.8 18.0 c 644
2004-08-15 06:29:32 C 21 36 01.01 -21 42 17.5 17.8 c 644
2004-08-21 09:42:52 C 21 29 17.07 -22 25 15.3 r E17
2004-08-21 10:01:46 C 21 29 16.21 -22 25 20.6 r E17
2004-08-21 10:20:38 C 21 29 15.38 -22 25 26.4 r E17
2004-08-22 12:50:47 C 21 28 02.32 -22 32 49.0 r E12
2004-08-22 13:07:01 C 21 28 01.57 -22 32 53.7 r E12
2004-08-22 13:23:13 C 21 28 00.81 -22 32 58.2 r E12
2004-08-22 13:43:07 C 21 27 59.88 -22 33 03.6 r E12
2004-08-23 05:03:58 C 21 27 17.92 -22 37 19.5 o 699
2004-08-23 05:25:01 C 21 27 16.92 -22 37 26.0 o 699
2004-08-23 05:46:08 C 21 27 15.95 -22 37 31.6 o 699
2004-08-23 06:07:14 C 21 27 14.97 -22 37 37.6 o 699
2004-09-03 03:22:57 C 21 15 44.73 -23 41 13.2 18.0 c 644
2004-09-03 03:52:39 C 21 15 43.46 -23 41 19.7 18.0 c 644
2004-09-03 04:23:05 C 21 15 42.15 -23 41 26.1 17.8 c 644
2004-09-07 04:19:35 C 21 11 50.14 -24 00 27.9 c 704
2004-09-07 04:35:32 C 21 11 49.53 -24 00 31.5 c 704
2004-09-07 04:51:24 C 21 11 48.95 -24 00 33.0 c 704
2004-09-07 05:07:16 C 21 11 48.22 -24 00 37.6 c 704
2004-09-07 05:23:09 C 21 11 47.60 -24 00 39.4 c 704
2004-09-09 03:00:29 C 21 10 03.42 -24 08 48.3 c 704
2004-09-09 03:17:57 C 21 10 02.72 -24 08 51.1 c 704
2004-09-09 03:34:58 C 21 10 02.05 -24 08 53.8 c 704
2004-09-09 03:51:58 C 21 10 01.44 -24 08 57.0 c 704
2004-09-09 04:09:38 C 21 10 00.75 -24 09 00.3 c 704
2004-09-12 03:09:19 C 21 07 27.10 -24 20 28.0 c 704
2004-09-12 03:25:28 C 21 07 26.60 -24 20 30.7 c 704
2004-09-12 03:41:41 C 21 07 26.01 -24 20 33.0 c 704
2004-09-12 03:57:53 C 21 07 25.49 -24 20 35.3 c 704
2004-09-15 11:32:30 C 21 04 47.07 -24 31 39.5 r E12
2004-09-15 11:44:45 C 21 04 46.64 -24 31 40.8 r E12
2004-09-15 11:57:07 C 21 04 46.22 -24 31 42.1 r E12
2004-09-15 12:09:25 C 21 04 45.84 -24 31 43.4 r E12
2004-09-17 02:49:02 C 21 03 34.84 -24 36 32.3 c 704
2004-09-17 03:06:21 C 21 03 34.30 -24 36 33.8 c 704
2004-09-17 03:23:29 C 21 03 33.76 -24 36 36.1 c 704
2004-09-17 03:40:48 C 21 03 33.24 -24 36 38.8 c 704
2004-09-17 03:58:30 C 21 03 32.68 -24 36 40.3 c 704
2004-09-18 04:50:46 C 21 02 49.07 -24 39 28.8 o 699
2004-09-18 05:02:29 C 21 02 48.69 -24 39 30.9 o 699
2004-09-18 05:14:11 C 21 02 48.32 -24 39 30.7 o 699
2004-09-18 05:25:55 C 21 02 48.00 -24 39 32.6 o 699
2004-11-03 01:40:11 C 21 00 59.95 -24 10 43.7 o 699
2004-11-03 02:01:22 C 21 01 00.38 -24 10 40.0 o 699
2004-11-03 02:22:32 C 21 01 00.91 -24 10 36.9 o 699
2004-11-03 02:43:40 C 21 01 01.36 -24 10 34.5 o 699
2004-11-15 10:16:22 C 21 10 01.30 -23 21 27.4 r E12
2004-11-15 10:31:14 C 21 10 01.79 -23 21 25.0 r E12