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
2008-09-24 11:38:25 C 21 22 27.30 -24 40 22.0 r E12
2008-09-24 11:49:48 C 21 22 26.97 -24 40 22.8 r E12
2008-09-24 12:01:15 C 21 22 26.61 -24 40 24.1 r E12
2008-10-30 01:54:36 C 21 17 28.19 -24 19 27.4 c 704
2008-10-30 02:12:14 C 21 17 28.49 -24 19 25.5 c 704
2008-10-30 02:29:53 C 21 17 28.82 -24 19 23.0 c 704
2008-10-30 02:47:30 C 21 17 29.06 -24 19 19.3 c 704
2008-10-30 03:05:12 C 21 17 29.40 -24 19 17.0 c 704
2008-11-18 01:53:23 C 21 30 02.40 -22 55 24.7 c 704
2008-11-18 02:29:49 C 21 30 03.72 -22 55 14.7 c 704
2008-11-18 02:48:02 C 21 30 04.39 -22 55 10.2 c 704
2008-11-30 01:27:06 C 21 42 21.21 -21 40 57.7 c 704
2008-11-30 01:45:30 C 21 42 22.01 -21 40 52.6 c 704
2008-11-30 02:03:51 C 21 42 22.86 -21 40 47.4 c 704
2008-11-30 02:22:11 C 21 42 23.76 -21 40 41.1 c 704
2010-03-05 07:42:18 S 17 02 57.458 -14 31 41.02 L C51
2010-03-05 10:52:50 S 17 03 02.01 -14 31 33.2 L C51
2010-03-05 14:03:32 S 17 03 06.58 -14 31 24.4 L C51
2010-03-05 17:14:02 S 17 03 11.06 -14 31 18.8 L C51
2010-03-05 18:49:13 S 17 03 13.31 -14 31 14.8 L C51
2010-03-05 20:24:34 S 17 03 15.56 -14 31 11.2 L C51
2010-03-05 23:35:05 S 17 03 20.04 -14 31 03.3 L C51
2010-03-06 01:10:26 S 17 03 22.267 -14 30 58.21 L C51
2010-03-06 04:20:57 S 17 03 26.72 -14 30 51.7 L C51
2010-03-06 07:31:28 S 17 03 31.099 -14 30 43.31 L C51
2010-03-06 10:41:59 S 17 03 35.51 -14 30 36.4 L C51
2010-03-08 02:23:44 S 17 04 28.445 -14 28 54.77 L C51
2010-03-08 02:23:55 S 17 04 28.481 -14 28 53.76 L C51
2010-03-08 05:34:26 S 17 04 32.534 -14 28 45.62 L C51
2010-03-08 08:44:57 S 17 04 36.629 -14 28 37.16 L C51
2010-03-08 11:55:28 S 17 04 40.61 -14 28 28.0 L C51
2010-03-08 13:30:49 S 17 04 42.60 -14 28 23.5 L C51
2010-03-08 15:05:59 S 17 04 44.66 -14 28 18.5 L C51
2010-03-08 16:41:20 S 17 04 46.61 -14 28 15.8 L C51
2010-03-08 19:51:51 S 17 04 50.57 -14 28 06.3 L C51
2010-03-08 23:02:22 S 17 04 54.52 -14 27 57.9 L C51
2010-03-09 02:12:53 S 17 04 58.45 -14 27 49.1 L C51
2010-03-25 00:30:29 C 17 09 46.12 -14 04 49.4 19.5 u C20
2010-03-25 00:32:36 C 17 09 46.13 -14 04 48.7 19.7 u C20
2010-03-25 00:34:43 C 17 09 46.14 -14 04 48.8 19.5 u C20
2010-04-09 10:05:45 C 17 08 12.08 -13 35 25.2 c 704
2010-04-09 10:22:10 C 17 08 11.84 -13 35 25.1 c 704
2010-04-09 10:38:36 C 17 08 11.64 -13 35 23.2 c 704
2010-04-09 10:55:02 C 17 08 11.37 -13 35 21.3 c 704
2010-04-09 11:11:28 C 17 08 11.23 -13 35 19.2 c 704
2010-04-15 09:48:13 C 17 05 52.69 -13 23 01.4 c 704
2010-04-15 10:04:27 C 17 05 52.29 -13 22 59.7 c 704
2010-04-15 10:20:47 C 17 05 52.01 -13 22 58.4 c 704
2010-04-15 10:37:05 C 17 05 51.68 -13 22 57.3 c 704
2010-04-15 10:53:20 C 17 05 51.28 -13 22 55.4 c 704