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
2015-11-07 08:29:36 C 04 28 26.38 +14 21 19.3 q 703
2015-11-08 08:04:31 C 04 27 09.93 +14 15 17.0 R G45
2015-11-08 08:14:45 C 04 27 09.40 +14 15 14.5 R G45
2015-11-08 08:22:25 C 04 27 08.96 +14 15 12.4 R G45
2015-11-08 08:30:02 C 04 27 08.55 +14 15 10.5 R G45
2015-11-08 08:31:09 C 04 27 08.47 +14 15 10.0 R G45
2015-11-08 08:56:54 C 04 27 07.02 +14 15 03.7 R G45
2015-11-08 09:04:37 C 04 27 06.60 +14 15 01.8 R G45
2015-11-12 07:28:07 C 04 21 51.36 +13 51 10.7 R G45
2015-11-12 07:34:20 C 04 21 50.99 +13 51 09.0 R G45
2015-11-12 07:42:11 C 04 21 50.52 +13 51 07.3 R G45
2015-11-12 07:50:40 C 04 21 50.02 +13 51 05.1 R G45
2015-11-12 07:57:45 C 04 21 49.61 +13 51 03.3 R G45
2015-11-13 08:56:32 C 04 20 24.13 +13 44 52.0 q 703
2015-11-13 09:03:44 C 04 20 23.72 +13 44 51.0 q 703
2015-11-13 09:10:59 C 04 20 23.29 +13 44 47.8 q 703
2015-11-13 09:14:46 C 04 20 23.09 +13 44 47.5 q G96
2015-11-13 09:18:12 C 04 20 22.87 +13 44 46.6 q 703
2015-11-13 09:20:40 C 04 20 22.73 +13 44 46.1 q G96
2015-11-13 09:26:34 C 04 20 22.39 +13 44 44.6 q G96
2015-11-13 09:32:29 C 04 20 22.05 +13 44 43.1 q G96
2015-11-18 07:36:02 C 04 13 33.49 +13 16 31.9 R G45
2015-11-18 07:44:19 C 04 13 33.03 +13 16 29.9 R G45
2015-11-18 07:44:25 C 04 13 33.01 +13 16 29.7 R G45
2015-11-18 07:51:10 C 04 13 32.59 +13 16 27.9 R G45
2015-11-18 07:54:16 C 04 13 32.42 +13 16 27.5 R G45
2015-11-19 08:27:56 C 04 12 07.07 +13 10 50.8 o 691
2015-11-19 08:41:50 C 04 12 06.25 +13 10 47.7 o 691
2015-11-19 08:55:45 C 04 12 05.41 +13 10 44.7 o 691
2015-11-22 06:24:48 C 04 08 05.78 +12 55 26.1 u H21
2015-11-22 06:26:52 C 04 08 05.67 +12 55 25.7 u H21
2015-11-22 06:29:06 C 04 08 05.51 +12 55 25.2 u H21
2015-11-22 06:31:37 C 04 08 05.38 +12 55 24.3 u H21
2015-11-22 06:33:49 C 04 08 05.25 +12 55 24.0 u H21
2015-11-22 06:36:19 C 04 08 05.10 +12 55 23.4 u H21
2015-11-22 06:38:29 C 04 08 04.95 +12 55 22.9 u H21
2015-11-22 06:41:45 C 04 08 04.78 +12 55 22.3 u H21
2015-11-22 06:44:56 C 04 08 04.60 +12 55 21.5 u H21
2015-11-22 06:47:20 C 04 08 04.46 +12 55 21.3 u H21
2015-11-22 06:49:23 C 04 08 04.33 +12 55 20.6 u H21
2015-11-22 06:51:33 C 04 08 04.19 +12 55 20.3 u H21
2015-11-22 06:53:58 C 04 08 04.05 +12 55 19.9 u H21
2015-11-22 06:56:50 C 04 08 03.89 +12 55 19.1 u H21
2015-11-30 07:10:33 C 03 57 29.04 +12 18 18.6 R G45
2015-11-30 07:24:40 C 03 57 28.33 +12 18 16.4 R G45
2015-11-30 07:33:24 C 03 57 27.91 +12 18 14.7 R G45
2015-11-30 07:41:45 C 03 57 27.44 +12 18 13.5 R G45
2015-11-30 07:50:08 C 03 57 26.98 +12 18 11.8 R G45
2015-12-01 08:38:48 C 03 56 09.78 +12 14 04.2 q 703
2015-12-01 08:48:40 C 03 56 09.21 +12 14 03.4 q 703