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
2012-09-20 04:55:00 C 22 04 05.77 -23 36 11.5 r 703
2012-09-21 03:07:50 C 22 03 08.62 -23 41 07.7 c 704
2012-09-21 03:30:05 C 22 03 07.66 -23 41 12.4 c 704
2012-09-21 03:51:46 C 22 03 06.68 -23 41 18.1 c 704
2012-09-21 04:13:47 C 22 03 05.74 -23 41 23.1 c 704
2012-09-30 03:30:07 C 21 54 55.55 -24 18 10.2 u H21
2012-09-30 03:36:41 C 21 54 55.34 -24 18 11.5 u H21
2012-09-30 03:43:56 C 21 54 55.07 -24 18 12.6 u H21
2012-11-02 05:45:42 c 21 47 24.545 -23 51 55.02 L F51
2012-11-02 05:59:40 c 21 47 24.729 -23 51 52.62 L F51
2012-11-03 00:43:32 C 21 47 41.62 -23 48 33.5 u 844
2012-11-03 01:23:09 C 21 47 42.15 -23 48 25.7 u 844
2012-11-10 01:26:40 C 21 51 08.13 -23 14 53.1 c 704
2012-11-10 01:47:45 C 21 51 08.57 -23 14 48.6 c 704
2012-11-10 02:30:19 C 21 51 09.56 -23 14 39.3 c 704
2012-11-10 02:51:27 C 21 51 10.12 -23 14 34.8 c 704
2012-11-24 01:32:06 C 22 02 25.11 -21 44 39.5 r 703
2012-11-24 01:40:53 C 22 02 25.47 -21 44 35.5 r 703
2012-11-24 01:49:39 C 22 02 25.83 -21 44 33.5 r 703
2012-11-25 04:47:19 C 22 03 34.233 -21 36 02.66 L F51
2012-11-25 05:07:27 C 22 03 35.069 -21 35 56.11 L F51
2012-11-25 05:24:30 C 22 03 35.774 -21 35 50.65 L F51
2014-02-07 09:13:35 C 16 58 02.97 -15 46 30.2 u 807
2014-02-07 09:17:38 C 16 58 03.15 -15 46 30.4 u 807
2014-02-07 09:21:52 C 16 58 03.32 -15 46 30.5 u 807
2014-05-28 09:12:51 C 16 53 15.441 -13 59 37.06 L F51
2014-05-28 09:31:10 C 16 53 14.617 -13 59 36.50 L F51
2014-05-28 09:49:27 C 16 53 13.796 -13 59 36.01 L F51
2014-05-28 10:07:45 C 16 53 12.975 -13 59 35.48 L F51
2014-06-08 09:26:22 C 16 41 42.757 -13 54 34.42 L F51
2014-06-08 09:27:19 C 16 41 42.717 -13 54 34.45 L F51
2014-06-08 09:45:07 C 16 41 41.942 -13 54 34.26 L F51
2014-06-08 09:46:04 C 16 41 41.898 -13 54 34.28 L F51
2014-06-08 10:03:41 C 16 41 41.123 -13 54 34.05 L F51
2014-06-08 10:04:38 C 16 41 41.081 -13 54 34.12 L F51
2014-06-16 08:50:07 C 16 33 49.630 -13 54 31.83 L F51
2014-06-16 09:08:23 C 16 33 48.893 -13 54 31.96 L F51
2014-06-16 09:27:18 C 16 33 48.128 -13 54 32.10 L F51
2014-06-16 09:45:23 C 16 33 47.395 -13 54 32.32 L F51
2014-06-21 04:48:50 C 16 29 25.13 -13 56 09.4 R G45
2014-06-21 05:05:15 C 16 29 24.53 -13 56 10.3 R G45
2014-06-21 05:21:42 C 16 29 23.92 -13 56 10.7 R G45
2014-06-21 05:43:47 C 16 29 23.10 -13 56 10.6 R G45
2014-06-24 09:23:54 C 16 26 42.018 -13 57 55.75 L F51
2014-06-24 09:42:22 C 16 26 41.365 -13 57 56.24 L F51
2014-06-24 10:00:47 C 16 26 40.716 -13 57 56.75 L F51
2014-06-29 05:54:45 C 16 22 54.35 -14 01 46.0 q G96
2014-06-29 06:02:06 C 16 22 54.10 -14 01 46.4 q G96
2014-06-29 06:09:27 C 16 22 53.88 -14 01 46.8 q G96
2014-06-29 06:16:49 C 16 22 53.65 -14 01 47.0 q G96