13553 Masaakikoyama (1992 JE)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4635501542 ± 5.43e-09
Semi-major axis (a)2.1900075759 AU ± 4.06e-10
Inclination (i)5.87466809° ± 5.29e-07
Long. of Asc. Node (Ω)193.43977646° ± 5.35e-06
Arg. of Perihelion (ω)110.01797535° ± 5.72e-06
Mean Anomaly (M)94.83537244° ± 6.73e-07
Mean Motion (n)0.3041192077°/day ± 8.45e-11
Perihelion dist (q)1.17482923 AU ± 1.19e-08
Aphelion dist (Q)3.20518593 AU ± 1.19e-08
Orbital Period3.24092086 yr ± 9.01e-10
Physical Parameters
H (abs. magnitude)16.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.148″
Uncertainty0
Orbit TypeAmor
MOID0.188965 AU
Observations Used1890
Gaia Obs Used91
Oppositions26
Arc Total1979-2025
First Observation Used1979-06-24
Last Observation Used2025-12-23
Observations (2063)
Date Type RA Dec Mag Band Observatory
2005-05-30 22:26:38 C 16 26 33.75 -03 06 19.8 r 084
2005-05-30 22:28:24 C 16 26 33.76 -03 06 18.2 r 084
2005-05-31 20:52:17 C 16 26 23.41 -02 47 14.3 r 557
2005-05-31 21:43:51 C 16 26 22.75 -02 46 30.4 r 557
2005-05-31 22:45:08 C 16 26 21.97 -02 45 38.6 r 557
2005-05-31 23:46:12 C 16 26 21.18 -02 44 46.5 r 557
2005-06-01 00:18:20 C 16 26 20.78 -02 44 19.3 r 557
2005-06-01 13:05:43 C 16 26 13.82 -02 33 16.6 16.4 c 608
2005-06-01 13:20:40 C 16 26 13.63 -02 33 04.0 16.6 c 608
2005-06-01 13:36:21 C 16 26 13.41 -02 32 50.6 16.4 c 608
2005-06-01 23:05:33 C 16 26 09.77 -02 25 00.1 r 557
2005-06-01 23:34:28 C 16 26 09.40 -02 24 35.5 r 557
2005-06-02 00:03:24 C 16 26 09.03 -02 24 10.9 r 557
2005-06-02 00:35:34 C 16 26 08.63 -02 23 43.7 r 557
2005-06-02 00:54:51 C 16 26 08.39 -02 23 27.4 r 557
2005-06-02 20:40:50 C 16 25 59.86 -02 06 42.7 c 434
2005-06-02 20:44:57 C 16 25 59.85 -02 06 40.0 c 434
2005-06-02 20:46:48 C 16 25 59.77 -02 06 38.1 c 434
2005-06-02 20:49:07 C 16 25 59.78 -02 06 36.0 c 434
2005-06-04 22:29:11 C 16 25 35.12 -01 24 58.8 r 557
2005-06-04 23:18:36 C 16 25 34.48 -01 24 17.6 r 557
2005-06-05 00:00:25 C 16 25 33.96 -01 23 42.6 r 557
2005-06-05 08:23:50 C 16 25 29.95 -01 16 37.6 c 691
2005-06-05 08:45:22 C 16 25 29.65 -01 16 19.6 c 691
2005-06-05 09:07:05 C 16 25 29.38 -01 16 01.6 c 691
2005-06-06 20:31:36 C 16 25 15.10 -00 46 54.1 r A30
2005-06-06 20:32:28 C 16 25 15.09 -00 46 53.4 r A30
2005-06-06 20:33:56 C 16 25 15.07 -00 46 52.1 r A30
2005-06-07 07:47:53 C 16 25 09.37 -00 37 36.6 r 703
2005-06-07 07:59:34 C 16 25 09.22 -00 37 27.4 r 703
2005-06-07 08:11:21 C 16 25 09.01 -00 37 17.3 r 703
2005-06-07 08:23:02 C 16 25 08.86 -00 37 03.3 r 703
2005-06-09 22:23:15 C 16 24 47.08 +00 12 31.0 r 557
2005-06-09 22:48:59 C 16 24 46.82 +00 12 50.9 r 557
2005-06-09 23:01:58 C 16 24 46.69 +00 13 01.2 r 557
2005-06-10 00:41:30 C 16 24 45.73 +00 14 19.3 r 557
2005-06-10 01:10:26 C 16 24 45.47 +00 14 42.4 r 557
2005-06-10 22:24:23 C 16 24 40.41 +00 31 19.5 15.7 r 130
2005-06-10 22:28:01 C 16 24 40.38 +00 31 22.6 15.6 r 130
2005-06-10 22:30:56 C 16 24 40.35 +00 31 24.6 15.6 r 130
2005-06-10 22:33:06 C 16 24 40.33 +00 31 26.5 15.6 r 130
2005-06-10 22:36:46 C 16 24 40.29 +00 31 29.3 15.7 r 130
2005-06-12 21:20:52 C 16 24 31.49 +01 07 09.6 r A13
2005-06-12 21:25:33 C 16 24 31.27 +01 07 11.9 r 557
2005-06-12 21:34:26 C 16 24 31.38 +01 07 19.8 r A13
2005-06-12 21:44:52 C 16 24 31.12 +01 07 26.4 r 557
2005-06-12 21:48:12 C 16 24 31.27 +01 07 30.2 r A13
2005-06-12 22:00:55 C 16 24 31.00 +01 07 38.4 r 557
2005-06-13 21:14:02 C 16 24 28.84 +01 24 52.5 r 557
2005-06-13 21:53:41 C 16 24 28.58 +01 25 21.6 r 557