313538 (2002 YB12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5509064700 ± 1.04e-08
Semi-major axis (a)1.6868278257 AU ± 8.55e-10
Inclination (i)14.03530045° ± 2.98e-06
Long. of Asc. Node (Ω)270.98049380° ± 7.72e-06
Arg. of Perihelion (ω)306.14944368° ± 7.77e-06
Mean Anomaly (M)100.19683354° ± 1.57e-06
Mean Motion (n)0.4498897944°/day ± 3.42e-10
Perihelion dist (q)0.75754346 AU ± 1.75e-08
Aphelion dist (Q)2.61611219 AU ± 1.76e-08
Orbital Period2.19081716 yr ± 1.67e-09
Physical Parameters
H (abs. magnitude)18.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.261″
Uncertainty0
Orbit TypeApollo
MOID0.073362 AU
Observations Used665
Oppositions13
Arc Total2002-2025
First Observation Used2002-12-31
Last Observation Used2025-10-01
Observations (696)
Date Type RA Dec Mag Band Observatory
2003-07-13 00:29:01 C 23 00 56.30 +31 18 21.4 d 941
2003-07-13 00:29:40 C 23 00 56.12 +31 18 21.4 d 941
2003-07-13 00:30:58 C 23 00 55.78 +31 18 21.2 d 941
2003-07-19 21:59:31 C 22 21 49.86 +30 27 12.2 d 151
2003-07-19 22:00:20 C 22 21 49.70 +30 27 11.8 d 151
2003-07-19 22:01:19 C 22 21 49.48 +30 27 11.4 d 151
2003-07-19 22:02:04 C 22 21 49.32 +30 27 10.9 d 151
2003-07-19 22:02:27 C 22 21 49.24 +30 27 10.9 d 151
2003-07-19 22:03:38 C 22 21 49.00 +30 27 10.3 d 151
2003-07-19 22:03:45 C 22 21 48.98 +30 27 10.2 d 151
2003-07-19 22:05:00 C 22 21 48.68 +30 27 09.7 d 151
2003-07-19 22:06:00 C 22 21 48.48 +30 27 09.0 d 151
2003-07-19 22:07:11 C 22 21 48.25 +30 27 08.7 d 151
2003-07-19 22:54:39 C 22 21 38.45 +30 26 47.8 c J87
2003-07-19 22:57:12 C 22 21 37.90 +30 26 47.2 c J87
2003-07-19 23:01:07 C 22 21 37.05 +30 26 46.1 c J87
2003-07-19 23:04:26 C 22 21 36.36 +30 26 44.1 c J87
2003-07-20 07:29:55 C 22 19 50.37 +30 22 39.8 17.8 c 704
2003-07-20 07:44:11 C 22 19 47.29 +30 22 33.2 17.7 c 704
2003-07-20 07:58:23 C 22 19 44.23 +30 22 26.1 17.7 c 704
2003-07-20 08:12:40 C 22 19 41.16 +30 22 19.3 17.4 c 704
2003-07-21 21:49:33 C 22 12 06.61 +30 01 43.9 c J87
2003-07-21 21:56:30 C 22 12 05.09 +30 01 40.2 c J87
2003-07-21 22:03:30 C 22 12 03.71 +30 01 36.9 c J87
2003-07-21 23:29:15 C 22 11 46.54 +30 00 56.7 126
2003-07-21 23:33:00 C 22 11 45.31 +30 00 48.2 126
2003-07-21 23:37:06 C 22 11 44.49 +30 00 46.8 126
2003-07-21 23:40:48 C 22 11 43.75 +30 00 44.8 126
2003-07-23 21:59:56 C 22 02 56.93 +29 32 07.5 c J87
2003-07-23 22:07:58 C 22 02 55.36 +29 32 02.8 c J87
2003-07-23 22:47:16 C 22 02 47.98 +29 31 38.5 c J87
2003-07-23 22:51:59 C 22 02 47.15 +29 31 35.9 c J87
2003-07-23 23:34:49 C 22 02 38.84 +29 31 09.3 d 170
2003-07-23 23:36:41 C 22 02 38.53 +29 31 08.3 d 170
2003-07-23 23:39:08 C 22 02 38.06 +29 31 06.9 d 170
2003-07-25 22:41:13 C 21 54 18.45 +28 58 37.2 J87
2003-07-25 22:49:58 C 21 54 16.83 +28 58 30.7 J87
2003-07-25 22:58:26 C 21 54 15.45 +28 58 25.0 J87
2003-07-26 23:22:10 C 21 50 07.71 +28 40 27.6 i 071
2003-07-26 23:33:07 C 21 50 06.55 +28 40 16.3 i 071
2003-07-26 23:39:45 C 21 50 05.48 +28 40 13.0 i 071
2003-07-26 23:46:20 C 21 50 04.25 +28 40 06.9 i 071
2003-07-26 23:57:58 C 21 50 02.31 +28 39 58.4 i 071
2003-07-27 23:00:35 C 21 46 18.94 +28 22 11.2 126
2003-07-27 23:08:38 C 21 46 17.58 +28 22 04.3 126
2003-07-27 23:32:42 C 21 46 13.56 +28 21 46.5 126
2003-07-29 22:32:30 C 21 39 00.41 +27 43 37.6 c 198
2003-07-29 22:38:36 C 21 38 59.47 +27 43 32.5 c 198
2003-07-29 22:44:41 C 21 38 58.51 +27 43 27.3 c 198
2003-08-01 23:18:49 C 21 28 49.62 +26 40 28.9 d J87