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
2015-12-01 08:58:32 C 03 56 08.73 +12 14 01.2 q 703
2015-12-01 09:08:25 C 03 56 08.19 +12 13 59.1 q 703
2015-12-02 07:30:52 C 03 55 00.245 +12 10 25.90 L F51
2015-12-02 07:49:07 C 03 54 59.293 +12 10 23.10 L F51
2015-12-02 08:07:27 C 03 54 58.336 +12 10 20.26 L F51
2015-12-02 08:25:54 C 03 54 57.372 +12 10 17.38 L F51
2015-12-03 06:50:23 C 03 53 49.92 +12 06 48.8 R G45
2015-12-03 06:58:49 C 03 53 49.48 +12 06 48.1 R G45
2015-12-03 07:07:04 C 03 53 49.07 +12 06 46.5 R G45
2015-12-03 07:15:04 C 03 53 48.64 +12 06 45.5 R G45
2015-12-03 07:38:41 C 03 53 47.42 +12 06 41.7 R G45
2015-12-03 07:47:08 C 03 53 47.00 +12 06 40.5 R G45
2015-12-17 04:21:58 C 03 40 00.99 +11 32 31.0 R G45
2015-12-17 04:28:25 C 03 40 00.77 +11 32 31.1 R G45
2015-12-17 04:35:04 C 03 40 00.52 +11 32 30.4 R G45
2015-12-17 04:41:26 C 03 40 00.32 +11 32 30.3 R G45
2015-12-17 04:47:38 C 03 40 00.13 +11 32 29.8 R G45
2015-12-17 04:53:43 C 03 39 59.91 +11 32 29.1 R G45
2015-12-17 05:00:35 C 03 39 59.65 +11 32 28.6 R G45
2015-12-17 05:12:13 C 03 39 59.27 +11 32 28.1 R G45
2015-12-17 05:17:37 C 03 39 59.13 +11 32 28.0 R G45
2015-12-17 05:24:38 C 03 39 58.89 +11 32 27.8 R G45
2015-12-17 05:30:42 C 03 39 58.68 +11 32 28.1 R G45
2015-12-17 05:30:48 C 03 39 58.62 +11 32 27.0 R G45
2016-01-03 07:32:35 C 03 31 43.499 +11 33 54.68 L F51
2016-01-03 07:53:01 C 03 31 43.302 +11 33 55.82 L F51
2016-01-03 08:12:54 C 03 31 43.110 +11 33 56.86 L F51
2016-01-03 08:33:00 C 03 31 42.916 +11 33 57.98 L F51
2016-01-31 06:12:16 C 03 37 24.705 +12 51 55.65 L F51
2016-01-31 06:30:55 C 03 37 25.115 +12 51 58.61 L F51
2016-01-31 06:49:19 C 03 37 25.522 +12 52 01.60 L F51
2016-01-31 07:07:52 C 03 37 25.922 +12 52 04.42 L F51
2016-03-28 05:46:41 C 04 33 24.241 +16 50 34.52 L F51
2016-03-28 05:54:06 C 04 33 24.629 +16 50 35.47 L F51
2016-03-28 06:01:29 C 04 33 25.036 +16 50 36.61 L F51
2017-01-02 11:55:25 C 09 08 00.494 +08 45 37.86 L F51
2017-01-02 12:12:44 C 09 07 59.962 +08 45 39.34 L F51
2017-01-02 13:10:16 C 09 07 58.175 +08 45 44.16 L F51
2017-01-02 13:27:54 C 09 07 57.606 +08 45 45.83 L F51
2017-01-26 09:11:41 C 08 46 06.131 +10 05 13.55 L F51
2017-01-26 09:27:12 C 08 46 05.436 +10 05 16.48 L F51
2017-01-26 09:42:46 C 08 46 04.744 +10 05 19.27 L F51
2017-01-26 09:58:29 C 08 46 04.044 +10 05 22.15 L F51
2017-01-31 08:55:22 C 08 40 51.65 +10 28 01.7 q G96
2017-01-31 09:06:23 C 08 40 51.14 +10 28 03.6 q G96
2017-01-31 09:14:50 C 08 40 50.77 +10 28 06.0 q G96
2017-01-31 09:23:12 C 08 40 50.39 +10 28 07.1 q G96
2017-02-19 05:36:48 C 08 22 15.880 +11 59 57.11 L F51
2017-02-19 05:52:03 C 08 22 15.320 +12 00 00.28 L F51
2017-02-19 06:10:06 C 08 22 14.642 +12 00 03.82 L F51