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
1974-01-15 20:29:54 A 08 03 31.16 +26 24 40.3 022
1974-01-16 23:19:00 A 08 08 46.69 +27 27 06.1 056
1974-01-16 23:24:00 A 08 08 47.58 +27 27 17.3 056
1974-01-16 23:51:59 A 08 08 52.72 +27 28 20.6 11.3 056
1974-01-16 23:59:04 A 08 08 54.05 +27 28 36.4 056
1974-01-18 20:47:50 A 08 17 34.83 +29 05 36.9 022
1974-01-18 20:53:50 A 08 17 35.93 +29 05 49.7 022
1974-01-18 20:58:49 A 08 17 36.80 +29 06 00.4 022
1974-01-20 20:48:01 A 08 26 28.32 +30 39 36.2 022
1974-01-20 20:53:00 A 08 26 29.17 +30 39 45.5 022
1974-01-21 13:24:04 A 08 29 27.65 +31 09 52.2 330
1974-01-22 22:00:59 A 08 35 08.27 +32 05 15.7 056
1974-01-22 22:05:30 A 08 35 08.96 +32 05 22.9 056
1974-01-22 22:09:59 A 08 35 09.66 +32 05 30.8 056
1974-01-22 23:44:59 A 08 35 24.94 +32 08 05.5 11.8 056
1974-01-25 08:30:45 A 08 44 51.08 +33 33 34.8 12.0 662
1974-01-25 21:53:06 A 08 46 59.90 +33 51 30.2 046
1974-01-25 21:58:40 A 08 47 00.65 +33 51 38.0 046
1974-01-26 04:09:00 A 08 48 00.68 +33 59 43.4 662
1974-01-26 20:42:24 A 08 50 33.46 +34 20 45.4 046
1974-01-26 20:46:24 A 08 50 34.09 +34 20 50.3 046
1974-01-27 03:47:00 A 08 51 39.37 +34 29 24.6 662
1974-01-28 04:41:59 A 08 55 22.09 +34 58 27.9 662
1974-01-28 18:58:10 A 08 57 26.21 +35 13 50.2 046
1974-01-28 19:01:56 A 08 57 26.75 +35 13 53.8 046
1974-01-29 05:44:59 A 08 58 58.20 +35 25 19.4 662
1974-02-09 19:02:59 A 09 31 01.99 +38 12 20.8 022
1974-02-09 19:21:00 A 09 31 02.69 +38 12 21.2 022
1974-02-10 19:00:14 A 09 33 07.50 +38 17 32.4 046
1974-02-10 19:06:15 A 09 33 08.02 +38 17 34.1 046
1974-02-11 18:37:46 A 09 35 09.78 +38 21 46.9 046
1974-02-11 18:44:46 A 09 35 10.37 +38 21 48.7 046
1974-02-11 20:37:53 A 09 35 19.24 +38 22 15.2 073
1974-02-12 13:57:14 A 09 36 45.56 +38 24 46.6 330
1974-02-12 18:04:46 A 09 37 06.33 +38 24 55.9 046
1974-02-12 18:27:17 A 09 37 08.07 +38 24 59.4 046
1974-02-13 19:23:47 A 09 39 07.02 +38 27 19.7 046
1974-02-13 19:30:48 A 09 39 07.63 +38 27 19.9 046
1974-02-15 18:42:51 A 09 42 40.59 +38 28 43.2 046
1974-02-15 18:50:50 A 09 42 41.14 +38 28 42.0 046
1974-02-16 20:46:07 A 09 44 30.70 +38 28 04.8 046
1974-02-16 20:52:53 A 09 44 31.15 +38 28 04.3 046
1974-02-17 00:00:12 A 09 44 42.17 +38 27 56.4 095
1974-02-17 00:02:07 A 09 44 42.25 +38 27 56.9 095
1974-02-17 00:32:11 A 09 44 44.09 +38 27 53.4 095
1974-02-17 00:34:17 A 09 44 44.27 +38 27 53.2 095
1974-02-20 21:24:12 A 09 50 46.32 +38 16 51.9 022
1974-02-20 21:36:10 A 09 50 46.85 +38 16 50.0 022
1974-02-24 22:37:04 A 09 56 17.75 +37 54 05.1 022
1974-02-24 22:49:41 A 09 56 18.37 +37 54 01.5 022