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
2013-01-07 06:53:02 C 05 17 44.729 +14 38 30.95 L F51
2013-01-07 07:16:06 C 05 17 43.847 +14 38 31.69 L F51
2014-01-23 09:53:34 C 09 53 40.05 +05 42 28.9 q G96
2014-01-23 10:08:36 C 09 53 39.52 +05 42 31.4 q G96
2014-01-23 10:18:21 C 09 53 39.11 +05 42 33.7 q G96
2014-01-23 10:28:05 C 09 53 38.85 +05 42 34.5 q G96
2014-01-26 10:42:11 C 09 51 02.932 +05 54 58.36 L F51
2014-01-26 11:00:02 C 09 51 02.255 +05 55 01.59 L F51
2014-01-26 11:17:56 C 09 51 01.569 +05 55 04.73 L F51
2014-01-26 11:35:54 C 09 51 00.882 +05 55 07.97 L F51
2014-02-28 07:18:40 C 09 18 01.768 +09 02 58.11 L F51
2014-02-28 07:56:10 C 09 18 00.244 +09 03 07.95 L F51
2014-02-28 08:15:06 C 09 17 59.473 +09 03 12.79 L F51
2014-03-20 06:10:51 C 09 02 44.551 +10 55 39.07 L F51
2014-03-20 06:27:57 C 09 02 44.137 +10 55 42.62 L F51
2014-03-20 06:44:58 C 09 02 43.734 +10 55 46.06 L F51
2014-03-20 07:04:17 C 09 02 43.282 +10 55 49.83 L F51
2015-08-21 14:35:56 C 04 16 32.634 +19 34 31.64 L F51
2015-08-21 14:41:47 C 04 16 33.010 +19 34 31.63 L F51
2015-08-21 14:47:37 C 04 16 33.381 +19 34 31.65 L F51
2015-08-21 14:53:29 C 04 16 33.757 +19 34 31.64 L F51
2015-09-15 11:14:28 C 04 46 00.12 +18 54 02.9 R G45
2015-09-15 11:31:01 C 04 46 00.61 +18 54 00.9 R G45
2015-09-15 11:39:33 C 04 46 00.88 +18 54 00.0 R G45
2015-09-15 11:48:18 C 04 46 01.11 +18 53 58.4 R G45
2015-09-19 12:30:22 C 04 48 44.716 +18 40 41.82 L F51
2015-09-19 12:47:08 C 04 48 45.111 +18 40 39.46 L F51
2015-09-19 13:03:53 C 04 48 45.501 +18 40 37.10 L F51
2015-09-19 13:20:36 C 04 48 45.888 +18 40 34.74 L F51
2015-09-21 11:18:34 C 04 49 49.79 +18 33 39.1 R G45
2015-09-21 11:34:48 C 04 49 50.12 +18 33 36.5 R G45
2015-09-21 11:43:29 C 04 49 50.23 +18 33 35.2 R G45
2015-09-21 11:43:35 C 04 49 50.26 +18 33 35.2 R G45
2015-09-21 11:43:41 C 04 49 50.34 +18 33 35.4 R G45
2015-09-21 11:52:20 C 04 49 50.41 +18 33 34.0 R G45
2015-09-21 11:52:26 C 04 49 50.45 +18 33 33.7 R G45
2015-10-18 19:33:50 C 04 48 06.84 +16 20 56.7 q D29
2015-10-18 19:57:58 C 04 48 06.14 +16 20 50.8 q D29
2015-10-24 09:52:38 C 04 43 48.90 +15 47 39.4 q 703
2015-10-24 09:58:26 C 04 43 48.63 +15 47 37.6 q 703
2015-10-24 10:04:11 C 04 43 48.40 +15 47 35.3 q 703
2015-10-24 10:09:59 C 04 43 48.19 +15 47 34.4 q 703
2015-11-05 08:33:53 C 04 30 58.18 +14 33 42.5 R G45
2015-11-05 08:41:56 C 04 30 57.77 +14 33 40.2 R G45
2015-11-05 08:49:25 C 04 30 57.33 +14 33 38.1 R G45
2015-11-05 08:57:17 C 04 30 56.93 +14 33 35.9 R G45
2015-11-05 09:05:59 C 04 30 56.46 +14 33 33.6 R G45
2015-11-07 08:03:30 C 04 28 27.83 +14 21 26.8 q 703
2015-11-07 08:12:12 C 04 28 27.41 +14 21 24.2 q 703
2015-11-07 08:20:54 C 04 28 26.90 +14 21 22.0 q 703