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
2021-05-01 13:12:10 C 11 46 28.94 +02 11 49.5 q D29
2021-05-08 08:21:05 C 11 43 09.48 +02 57 36.4 V T05
2021-05-08 08:25:45 C 11 43 09.46 +02 57 38.0 V T05
2021-05-08 08:36:21 C 11 43 09.18 +02 57 40.8 V T05
2021-05-08 08:54:16 C 11 43 08.96 +02 57 45.4 V T05
2021-05-08 09:29:45 C 11 43 08.42 +02 57 53.6 V T05
2021-05-09 05:26:52 C 11 42 51.32 +03 02 36.1 V G96
2021-05-09 05:34:22 C 11 42 51.22 +03 02 37.9 V G96
2021-05-09 05:41:52 C 11 42 51.09 +03 02 39.5 V G96
2021-05-09 05:49:22 C 11 42 50.98 +03 02 41.2 V G96
2021-05-12 08:00:16 C 11 42 01.42 +03 18 34.7 V T05
2021-05-12 08:08:12 C 11 42 01.35 +03 18 36.4 V T05
2021-05-12 08:12:51 C 11 42 01.31 +03 18 37.5 V T05
2021-05-12 08:32:53 C 11 42 01.11 +03 18 40.8 V T05
2021-05-24 12:13:13 S 11 42 21.638 +03 54 58.21 L C51
2021-05-24 12:13:24 S 11 42 21.686 +03 55 00.91 L C51
2021-05-25 00:46:18 S 11 42 29.988 +03 55 39.22 L C51
2021-05-25 05:28:30 S 11 42 33.418 +03 55 54.26 L C51
2021-05-25 08:36:49 S 11 42 35.827 +03 56 02.36 L C51
2021-12-02 02:00:10 C 20 22 58.94 -16 54 36.0 U I41
2021-12-02 02:06:33 C 20 22 59.99 -16 54 33.3 U I41
2021-12-02 02:12:57 C 20 23 01.05 -16 54 30.8 U I41
2021-12-02 02:19:20 C 20 23 02.12 -16 54 27.7 U I41
2021-12-02 02:25:42 C 20 23 03.18 -16 54 24.9 U I41
2022-12-17 09:27:32 C 07 19 06.038 +13 39 45.25 V G96
2022-12-17 09:34:54 C 07 19 05.758 +13 39 45.25 V G96
2022-12-17 09:42:16 C 07 19 05.452 +13 39 45.54 V G96
2022-12-17 09:49:38 C 07 19 05.106 +13 39 45.79 V G96
2022-12-26 07:36:01 C 07 09 37.667 +13 48 25.74 V G96
2022-12-26 07:44:05 C 07 09 37.285 +13 48 26.21 V G96
2022-12-26 07:52:10 C 07 09 36.911 +13 48 26.86 V G96
2022-12-26 08:00:14 C 07 09 36.518 +13 48 27.29 V G96
2024-01-20 15:01:51 C 11 19 52.801 -00 58 12.99 X F52
2024-01-20 15:14:00 C 11 19 52.665 -00 58 12.53 X F52
2024-01-20 15:26:11 C 11 19 52.525 -00 58 12.09 X F52
2024-01-20 15:38:19 C 11 19 52.392 -00 58 11.75 X F52
2024-03-05 06:21:46 C 10 45 47.221 +02 43 44.54 V G96
2024-03-05 06:29:20 C 10 45 46.872 +02 43 47.35 V G96
2024-03-05 06:36:56 C 10 45 46.512 +02 43 49.62 V G96
2024-03-05 06:44:29 C 10 45 46.145 +02 43 52.25 V G96
2024-03-08 16:13:58 C 10 42 01.930 +03 12 00.74 O18
2024-03-08 17:42:21 C 10 41 57.771 +03 12 31.77 O18
2024-03-10 14:19:01 C 10 39 55.771 +03 28 07.66 O18
2024-03-10 15:56:55 C 10 39 51.216 +03 28 42.13 O18
2024-03-18 15:03:51 C 10 31 25.008 +04 35 33.93 O18
2024-03-18 17:58:51 C 10 31 17.410 +04 36 34.33 O18
2024-04-04 07:09:58 C 10 17 07.889 +06 41 53.26 X F52
2024-04-04 07:27:12 C 10 17 07.384 +06 41 58.15 X F52
2024-04-04 08:36:04 C 10 17 05.380 +06 42 17.07 X F52
2024-04-12 05:08:10 C 10 12 45.040 +07 29 20.04 V G96