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
2012-05-08 09:04:33 C 22 28 04.05 -13 44 27.5 L W91
2012-05-08 09:09:57 C 22 28 04.26 -13 44 26.8 L W91
2012-05-16 19:04:35 C 22 35 30.55 -13 21 07.4 r E12
2012-05-16 19:17:00 C 22 35 30.98 -13 21 07.0 r E12
2012-05-16 19:29:21 C 22 35 31.48 -13 21 05.3 r E12
2012-05-16 19:41:43 C 22 35 31.88 -13 21 03.3 r E12
2012-06-07 14:24:32 C 22 51 22.904 -12 48 58.24 L F51
2012-06-07 14:35:43 C 22 51 23.173 -12 48 58.22 L F51
2012-07-19 17:26:51 C 23 00 29.52 -14 46 07.3 r E12
2012-07-19 17:51:12 C 23 00 29.23 -14 46 13.4 r E12
2012-07-19 18:15:45 C 23 00 28.94 -14 46 20.2 r E12
2012-07-19 18:40:30 C 23 00 28.65 -14 46 26.6 r E12
2012-07-31 06:01:53 C 22 55 50.80 -16 10 45.3 V G45
2012-07-31 06:48:48 C 22 55 49.67 -16 11 03.1 V G45
2012-07-31 07:38:55 C 22 55 48.44 -16 11 19.2 V G45
2012-07-31 09:26:05 C 22 55 45.79 -16 11 55.7 V G45
2012-08-06 07:03:18 C 22 51 58.90 -17 03 11.1 u H21
2012-08-06 07:05:56 C 22 51 58.81 -17 03 12.3 u H21
2012-08-06 07:12:32 C 22 51 58.61 -17 03 14.6 u H21
2012-08-06 07:16:02 C 22 51 58.51 -17 03 16.1 u H21
2012-08-06 07:19:04 C 22 51 58.41 -17 03 17.3 u H21
2012-08-06 07:25:59 C 22 51 58.20 -17 03 20.0 u H21
2012-08-09 06:37:55 C 22 49 43.33 -17 30 41.5 V G45
2012-08-09 09:19:35 C 22 49 37.78 -17 31 45.3 V G45
2012-08-09 09:41:46 C 22 49 37.01 -17 31 53.6 V G45
2012-08-09 10:22:10 C 22 49 35.61 -17 32 09.6 V G45
2012-08-10 06:03:34 C 22 48 55.99 -17 39 53.6 V G45
2012-08-10 06:57:02 C 22 48 54.11 -17 40 15.0 V G45
2012-08-10 08:42:07 C 22 48 50.39 -17 40 56.6 V G45
2012-08-10 09:00:07 C 22 48 49.75 -17 41 03.7 V G45
2012-08-10 09:42:55 C 22 48 48.22 -17 41 20.9 V G45
2012-08-17 10:39:41 c 22 42 24.394 -18 49 48.43 L F51
2012-08-17 11:00:15 c 22 42 23.516 -18 49 56.91 L F51
2012-08-17 11:41:20 c 22 42 21.761 -18 50 13.88 L F51
2012-08-24 07:00:56 C 22 35 11.94 -19 57 38.5 r 703
2012-08-24 07:08:10 C 22 35 11.61 -19 57 41.4 r 703
2012-08-24 07:15:34 C 22 35 11.22 -19 57 44.2 r 703
2012-08-24 07:22:58 C 22 35 10.93 -19 57 47.5 r 703
2012-08-25 21:24:17 C 22 33 24.55 -20 13 19.9 w I57
2012-08-25 21:54:31 C 22 33 23.03 -20 13 31.4 w I57
2012-08-28 05:30:59 C 22 30 43.85 -20 35 55.4 V G45
2012-08-28 08:09:10 C 22 30 36.00 -20 36 59.0 V G45
2012-08-28 08:25:55 C 22 30 35.17 -20 37 05.5 V G45
2012-08-28 09:07:03 C 22 30 33.13 -20 37 21.9 V G45
2012-08-31 03:29:04 C 22 27 19.20 -21 03 28.0 u H21
2012-08-31 03:34:19 C 22 27 18.94 -21 03 30.0 u H21
2012-08-31 03:39:33 C 22 27 18.68 -21 03 32.0 u H21
2012-09-20 04:33:02 C 22 04 06.74 -23 36 06.0 r 703
2012-09-20 04:40:17 C 22 04 06.42 -23 36 07.4 r 703
2012-09-20 04:47:39 C 22 04 06.09 -23 36 09.4 r 703