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
1918-01-03 20:21:59 A 05 21 03.65 +12 30 45.8 024
1918-01-03 21:40:01 A 05 21.2 +12 34 11.0 024
1918-02-03 19:16:23 A 06 54 28.40 +33 30 58.7 024
1918-02-03 22:16:23 A 06 54 53.56 +33 33 48.4 024
1918-02-04 20:01:12 A 06 57 59.49 +33 52 24.5 024
1918-02-09 05:38:19 07 12 57.15 +35 08 00.9 A 741
1918-02-13 02:53:45 07 25 55.21 +35 54 27.4 A 741
1918-02-13 07:37:18 M 07 26 32.40 +35 56 13.1 p 754
1918-02-17 04:24:55 07 39 06.05 +36 24 45.3 A 741
1918-02-17 07:58:50 M 07 39 34.22 +36 25 26.5 p 754
1918-02-18 02:04:12 M 07 41 59.56 +36 29 12.1 p 754
1918-02-20 07:34:18 M 07 48 57.27 +36 36 54.0 p 754
1918-02-21 05:07:16 M 07 51 44.71 +36 38 50.6 p 754
1918-02-24 07:14:04 M 08 01 06.36 +36 40 11.1 p 754
1918-03-02 02:44:50 08 17 54.87 +36 24 16.8 A 741
1918-03-03 06:25:24 M 08 21 06.22 +36 18 43.5 p 754
1918-03-17 06:46:34 M 08 56 58.62 +34 21 28.6 p 754
1918-03-18 01:33:27 M 08 58 50.84 +34 12 53.4 p 754
1918-03-27 07:16:30 A 09 19 45.59 +32 20 26.4 754
1918-03-28 05:24:07 M 09 21 40.92 +32 08 21.9 p 754
1918-03-31 05:24:44 A 09 28 09.61 +31 28 08.6 662
1918-03-31 05:36:43 A 09 28 10.62 +31 28 01.6 662
1918-04-01 03:59:07 A 09 30 08.15 +31 15 16.2 662
1918-04-01 04:13:08 A 09 30 09.43 +31 15 07.4 662
1918-04-01 04:28:37 A 09 30 10.75 +31 14 59.3 662
1918-04-08 04:14:47 M 09 44 24.30 +29 36 21.0 p 754
1918-04-10 07:03:06 A 09 48 35.22 +29 05 40.2 754
1918-04-11 04:41:00 A 09 50 20.86 +28 52 29.2 754
1918-04-14 06:41:23 A 09 56 18.48 +28 07 05.5 754
1918-05-03 22:23:41 A 10 32 14.64 +23 11 07.6 024
1918-05-08 05:57:15 M 10 39 40.66 +22 05 51.6 p 754
1918-05-30 06:02:00 A 11 16 32.88 +16 38 27.6 662
1921-10-11 02:01:12 A 03 04 01.48 -06 17 28.5 024
1921-10-13 02:33:22 M 03 04 26.82 -06 42 22.9 q 024
1921-10-31 22:28:36 A 03 02 01.05 -10 22 58.5 024
1921-11-24 22:06:16 A 02 49 09.78 -11 24 33.7 024
1921-11-24 22:06:16 M 02 49 09.92 -11 24 35.5 q 024
1921-11-24 23:30:14 A 02 49 07.80 -11 24 11.2 536
1921-11-25 22:16:48 A 02 48 42.46 -11 17 17.5 024
1921-11-25 22:16:48 M 02 48 42.59 -11 17 19.3 q 024
1921-12-01 22:28:56 A 02 46 40.72 -10 13 43.0 536
1921-12-05 21:44:53 A 02 46 09.40 -09 12 17.9 536
1922-03-18 19:03:19 M 07 48 49.17 +34 21 11.3 13.8 q 045
1925-10-16 00:00:50 A 02 14 38.90 -11 22 30.6 008
1925-10-19 23:51:31 A 02 11 56.11 -12 14 22.2 029
1925-11-11 21:13:33 A 01 51 29.92 -15 08 09.8 029
1925-11-14 19:24:07 A 01 49 04.03 -15 06 56.8 078
1925-11-14 20:43:54 A 01 49 00.84 -15 06 48.9 078
1925-11-19 21:24:52 A 01 45 25.73 -14 50 08.4 024
1925-12-06 19:47:53 A 01 41 45.37 -11 30 30.2 024