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
2005-07-05 21:45:10 C 16 34 15.13 +05 53 12.4 r A30
2005-07-05 21:48:02 C 16 34 15.23 +05 53 13.0 r A30
2005-07-05 21:49:30 C 16 34 15.28 +05 53 13.3 r A30
2005-07-05 22:15:40 C 16 34 16.33 +05 53 19.3 15.1 r A24
2005-07-06 21:14:43 C 16 35 19.53 +05 58 21.0 15.0 r A24
2005-07-06 21:56:01 C 16 35 21.18 +05 58 29.4 15.0 r A24
2005-07-09 07:42:57 C 16 38 15.46 +06 08 25.8 r 703
2005-07-09 07:52:19 C 16 38 15.90 +06 08 27.1 r 703
2005-07-09 08:01:33 C 16 38 16.33 +06 08 28.0 r 703
2005-07-09 08:10:47 C 16 38 16.76 +06 08 29.1 r 703
2005-07-11 23:11:43 C 16 41 57.54 +06 14 33.3 c J93
2005-07-11 23:13:45 C 16 41 57.62 +06 14 33.4 c J93
2005-07-11 23:15:49 C 16 41 57.74 +06 14 33.5 c J93
2005-07-12 21:54:43 C 16 43 24.75 +06 15 38.5 c J93
2005-07-12 21:57:17 C 16 43 24.89 +06 15 38.4 c J93
2005-07-12 21:59:53 C 16 43 25.05 +06 15 38.3 c J93
2005-07-13 21:15:08 C 16 44 58.03 +06 16 08.8 o 198
2005-07-13 21:16:14 C 16 44 58.10 +06 16 08.8 o 198
2005-07-13 21:20:36 C 16 44 58.37 +06 16 08.8 o 198
2005-07-13 21:22:14 C 16 44 58.47 +06 16 08.7 o 198
2005-07-13 21:23:51 C 16 44 58.57 +06 16 08.7 o 198
2005-07-14 21:31:00 C 16 46 39.42 +06 16 00.2 o 108
2005-07-14 21:34:39 C 16 46 39.65 +06 16 00.2 o 108
2005-07-14 21:38:30 C 16 46 39.93 +06 16 00.2 o 108
2005-07-14 21:41:49 C 16 46 40.15 +06 15 59.2 o 108
2005-07-15 21:45:32 C 16 48 25.79 +06 15 10.3 r J97
2005-07-15 21:47:51 C 16 48 25.93 +06 15 10.0 r J97
2005-07-15 21:50:10 C 16 48 26.09 +06 15 10.2 r J97
2005-07-15 21:52:30 C 16 48 26.25 +06 15 10.0 r J97
2005-07-15 22:17:00 C 16 48 27.84 +06 15 07.3 r 170
2005-07-15 22:20:41 C 16 48 28.09 +06 15 07.2 r 170
2005-07-15 22:25:34 C 16 48 28.42 +06 15 06.9 r 170
2005-07-19 05:01:39 C 16 54 45.78 +06 07 38.2 16.0 o 644
2005-07-19 05:31:40 C 16 54 48.09 +06 07 33.9 16.0 o 644
2005-07-19 06:22:25 C 16 54 51.99 +06 07 26.5 16.1 o 644
2005-07-24 23:03:06 C 17 07 44.88 +05 37 17.7 r J97
2005-07-24 23:05:23 C 17 07 45.05 +05 37 17.3 r J97
2005-07-24 23:07:41 C 17 07 45.29 +05 37 16.6 r J97
2005-07-29 05:08:28 C 17 18 57.14 +05 01 17.9 14.8 c 704
2005-07-29 05:24:50 C 17 18 58.87 +05 01 11.9 15.1 c 704
2005-07-29 05:41:06 C 17 19 00.66 +05 01 04.7 15.2 c 704
2005-07-29 05:57:23 C 17 19 02.39 +05 00 56.9 15.9 c 704
2005-07-29 06:13:41 C 17 19 04.21 +05 00 51.0 15.3 c 704
2005-07-29 06:38:48 C 17 19 07.21 +05 00 41.3 15.7 o 644
2005-07-29 07:09:39 C 17 19 10.58 +05 00 28.4 15.7 o 644
2005-07-29 08:16:48 C 17 19 18.02 +05 00 00.2 15.7 o 644
2005-08-01 21:11:56 C 17 29 39.77 +04 21 04.6 r 084
2005-08-01 21:14:03 C 17 29 40.05 +04 21 03.6 r 084
2005-08-03 23:15:11 C 17 36 10.01 +03 54 51.6 r 084
2005-08-03 23:17:17 C 17 36 10.24 +03 54 50.3 r 084