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
2006-06-16 06:38:39 C 15 42 34.19 -09 55 25.6 o 699
2006-06-16 07:35:29 C 15 42 32.34 -09 55 27.4 o 699
2006-06-18 06:26:08 C 15 41 03.51 -09 57 14.6 o 644
2006-06-18 06:58:19 C 15 41 02.48 -09 57 15.8 o 644
2006-06-18 07:29:25 C 15 41 01.49 -09 57 17.2 o 644
2008-06-29 15:02:56 C 22 30 58.21 -15 18 48.6 r E12
2008-06-29 15:18:32 C 22 30 58.17 -15 18 51.0 r E12
2008-06-29 15:33:55 C 22 30 58.17 -15 18 53.4 r E12
2008-06-29 15:49:22 C 22 30 58.14 -15 18 56.1 r E12
2008-07-16 16:34:32 C 22 26 53.08 -16 46 01.8 r E12
2008-07-16 16:50:07 C 22 26 52.76 -16 46 06.0 r E12
2008-07-16 17:05:35 C 22 26 52.44 -16 46 09.7 r E12
2008-07-16 17:21:03 C 22 26 52.15 -16 46 14.4 r E12
2008-07-23 07:20:10 C 22 23 23.40 -17 31 12.9 o H55
2008-07-23 07:25:49 C 22 23 23.26 -17 31 14.5 o H55
2008-07-23 07:31:25 C 22 23 23.11 -17 31 16.0 o H55
2008-07-23 07:37:36 C 22 23 22.94 -17 31 18.1 o H55
2008-07-23 23:33:01 C 22 22 58.45 -17 36 08.9 r A13
2008-07-23 23:54:20 C 22 22 57.84 -17 36 14.9 r A13
2008-08-03 06:27:30 C 22 15 16.15 -18 56 46.5 c 704
2008-08-03 06:43:51 C 22 15 15.53 -18 56 51.7 c 704
2008-08-03 07:00:16 C 22 15 14.95 -18 56 57.3 c 704
2008-08-03 07:16:37 C 22 15 14.33 -18 57 03.0 c 704
2008-08-03 07:32:55 C 22 15 13.72 -18 57 08.6 c 704
2008-08-03 15:29:26 C 22 14 56.36 -18 59 48.6 r 428
2008-08-03 16:08:31 C 22 14 54.91 -19 00 01.4 r 428
2008-08-23 05:04:24 C 21 54 45.54 -21 43 20.5 c 704
2008-08-23 05:23:29 C 21 54 44.63 -21 43 26.8 c 704
2008-08-23 05:42:36 C 21 54 43.71 -21 43 34.1 c 704
2008-08-23 06:01:37 C 21 54 42.76 -21 43 39.8 c 704
2008-08-23 06:20:38 C 21 54 41.85 -21 43 46.1 c 704
2008-08-23 15:04:07 C 21 54 16.99 -21 46 34.2 r E12
2008-08-23 15:16:49 C 21 54 16.38 -21 46 38.1 r E12
2008-08-23 15:29:31 C 21 54 15.76 -21 46 42.4 r E12
2008-08-29 23:06:13 C 21 47 03.43 -22 34 30.7 r 170
2008-08-29 23:08:04 C 21 47 03.33 -22 34 30.8 r 170
2008-08-29 23:11:46 C 21 47 03.17 -22 34 31.4 r 170
2008-09-10 10:36:19 C 21 34 34.86 -23 46 00.1 r E12
2008-09-10 10:47:28 C 21 34 34.35 -23 46 02.4 r E12
2008-09-10 10:58:24 C 21 34 33.88 -23 46 05.3 r E12
2008-09-10 11:08:05 C 21 34 33.45 -23 46 06.9 r E12
2008-09-19 12:46:28 C 21 26 11.83 -24 25 34.6 r E12
2008-09-19 12:57:17 C 21 26 11.47 -24 25 35.6 r E12
2008-09-19 13:08:06 C 21 26 11.04 -24 25 37.8 r E12
2008-09-19 13:19:00 C 21 26 10.68 -24 25 39.0 r E12
2008-09-23 03:57:46 C 21 23 23.39 -24 36 57.7 c 704
2008-09-23 04:15:22 C 21 23 22.83 -24 36 59.9 c 704
2008-09-23 04:33:07 C 21 23 22.28 -24 37 02.3 c 704
2008-09-23 04:50:44 C 21 23 21.71 -24 37 04.1 c 704
2008-09-23 05:08:23 C 21 23 21.14 -24 37 06.5 c 704