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
2010-05-07 08:57:31 C 16 49 55.16 -12 38 37.5 r 703
2010-05-07 09:07:32 C 16 49 54.69 -12 38 35.0 r 703
2010-05-07 09:17:29 C 16 49 54.30 -12 38 34.5 r 703
2010-05-07 09:27:30 C 16 49 53.94 -12 38 33.5 r 703
2010-05-07 09:37:25 C 16 49 53.50 -12 38 32.4 r 703
2010-05-08 08:27:39 C 16 48 59.07 -12 36 48.8 c 704
2010-05-08 08:42:07 C 16 48 58.47 -12 36 46.3 c 704
2010-05-08 08:56:36 C 16 48 57.84 -12 36 46.0 c 704
2010-05-08 09:11:13 C 16 48 57.24 -12 36 45.6 c 704
2010-05-08 09:25:43 C 16 48 56.62 -12 36 43.4 c 704
2010-05-14 07:45:52 C 16 42 59.67 -12 26 31.4 c 704
2010-05-14 08:00:13 C 16 42 59.03 -12 26 29.9 c 704
2010-05-14 08:14:35 C 16 42 58.42 -12 26 30.1 c 704
2010-05-19 08:19:11 C 16 37 40.44 -12 18 56.9 r 703
2010-05-19 08:27:35 C 16 37 40.04 -12 18 56.2 r 703
2010-05-19 08:35:59 C 16 37 39.57 -12 18 55.0 r 703
2010-05-19 08:44:25 C 16 37 39.25 -12 18 54.5 r 703
2010-05-19 08:52:51 C 16 37 38.92 -12 18 54.0 r 703
2010-06-01 07:11:40 C 16 23 38.11 -12 05 14.3 r 703
2010-06-01 07:21:33 C 16 23 37.64 -12 05 15.4 r 703
2010-06-01 07:31:35 C 16 23 37.21 -12 05 14.2 r 703
2010-06-01 07:41:21 C 16 23 36.78 -12 05 14.7 r 703
2010-06-04 10:10:02 C 16 20 20.388 -12 03 25.68 L F51
2010-06-04 10:27:26 C 16 20 19.616 -12 03 25.27 L F51
2010-06-10 07:39:43 C 16 14 22.59 -12 01 49.1 r 703
2010-06-10 07:47:59 C 16 14 22.20 -12 01 48.2 r 703
2010-06-10 07:56:21 C 16 14 21.84 -12 01 48.8 r 703
2010-06-10 08:04:42 C 16 14 21.51 -12 01 47.7 r 703
2010-06-10 08:13:03 C 16 14 21.15 -12 01 48.7 r 703
2010-06-13 06:17:32 C 16 11 34.06 -12 01 55.8 c 704
2010-06-13 06:49:53 C 16 11 32.77 -12 01 56.0 c 704
2010-06-13 07:05:30 C 16 11 32.12 -12 01 56.0 c 704
2010-06-13 07:20:37 C 16 11 31.50 -12 01 55.7 c 704
2010-06-15 05:11:09 C 16 09 46.52 -12 02 20.5 c 704
2010-06-15 05:26:52 C 16 09 45.93 -12 02 21.5 c 704
2010-06-15 05:42:37 C 16 09 45.30 -12 02 21.4 c 704
2010-06-15 05:58:24 C 16 09 44.71 -12 02 20.5 c 704
2010-06-15 06:14:20 C 16 09 44.05 -12 02 21.7 c 704
2010-07-07 05:14:49 C 15 54 39.24 -12 26 37.1 r G96
2010-07-07 05:25:14 C 15 54 39.02 -12 26 38.2 r G96
2010-07-07 05:35:38 C 15 54 38.80 -12 26 39.0 r G96
2010-07-07 05:53:38 C 15 54 38.48 -12 26 40.3 r G96
2011-07-18 07:04:59 C 18 56 57.96 -21 51 07.7 o 807
2011-07-18 07:11:16 C 18 56 57.74 -21 51 08.4 o 807
2011-07-18 07:20:10 C 18 56 57.38 -21 51 09.1 o 807
2011-07-27 09:16:05 C 18 48 52.588 -22 12 24.10 L F51
2011-07-27 09:31:35 C 18 48 52.025 -22 12 25.55 L F51
2012-05-08 08:56:36 C 22 28 03.75 -13 44 28.5 L W91
2012-05-08 08:58:37 C 22 28 03.83 -13 44 28.2 L W91
2012-05-08 09:02:44 C 22 28 03.98 -13 44 27.8 L W91