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
2003-08-01 23:25:10 C 21 28 48.73 +26 40 22.5 d J87
2003-08-01 23:31:37 C 21 28 47.83 +26 40 17.7 d J87
2003-08-02 22:59:11 C 21 25 45.87 +26 18 58.2 c 469
2003-08-02 23:10:00 C 21 25 44.39 +26 18 47.6 18.0 c 469
2003-08-02 23:20:41 C 21 25 42.98 +26 18 38.0 c 469
2003-08-02 23:30:59 C 21 25 41.54 +26 18 28.7 17.5 c 469
2003-08-02 23:46:29 C 21 25 39.48 +26 18 14.6 c 469
2003-08-03 20:22:43 C 21 23 06.81 +25 59 11.1 c 132
2003-08-03 20:35:12 C 21 23 05.22 +25 58 59.9 c 132
2003-08-03 20:47:41 C 21 23 03.63 +25 58 48.9 c 132
2003-08-04 20:30:54 C 21 20 13.23 +25 36 35.4 d 151
2003-08-04 20:32:59 C 21 20 13.04 +25 36 33.8 d 151
2003-08-04 20:34:49 C 21 20 12.81 +25 36 31.8 d 151
2003-08-04 20:36:31 C 21 20 12.60 +25 36 30.2 d 151
2003-08-04 20:37:37 C 21 20 12.48 +25 36 29.2 d 151
2003-08-04 20:38:41 C 21 20 12.36 +25 36 28.7 d 151
2003-08-04 20:40:30 C 21 20 12.07 +25 36 26.7 d 151
2003-08-04 20:42:31 C 21 20 11.86 +25 36 24.7 d 151
2003-08-06 22:52:47 C 21 14 33.81 +24 48 33.2 c 240
2003-08-06 22:56:58 C 21 14 33.34 +24 48 29.2 c 240
2003-08-06 23:03:14 C 21 14 32.60 +24 48 23.7 c 240
2003-08-06 23:04:28 C 21 14 32.48 +24 48 22.7 c 240
2003-08-06 23:07:48 C 21 14 32.08 +24 48 19.6 c 240
2003-08-06 23:09:01 C 21 14 31.96 +24 48 18.3 c 240
2003-08-11 20:10:17 C 21 03 18.06 +22 53 30.9 d 151
2003-08-11 20:13:06 C 21 03 17.83 +22 53 28.1 d 151
2003-08-11 20:14:25 C 21 03 17.71 +22 53 26.8 d 151
2003-08-11 20:14:41 C 21 03 17.68 +22 53 26.3 d 151
2003-08-11 20:15:00 C 21 03 17.66 +22 53 26.1 d 151
2003-08-11 20:16:19 C 21 03 17.53 +22 53 24.8 d 151
2003-08-11 20:17:08 C 21 03 17.47 +22 53 24.2 d 151
2003-08-11 22:12:00 C 21 03 07.18 +22 51 33.3 c 204
2003-08-11 22:14:13 C 21 03 07.00 +22 51 30.5 c 204
2003-08-11 22:16:26 C 21 03 06.81 +22 51 28.1 c 204
2003-08-11 22:18:40 C 21 03 06.61 +22 51 24.1 c 204
2003-08-11 22:20:51 C 21 03 06.43 +22 51 23.3 c 204
2003-08-19 05:30:24 C 20 50 40.70 +19 58 14.7 r 642
2003-08-19 05:33:40 C 20 50 40.50 +19 58 11.7 r 642
2003-08-19 05:36:56 C 20 50 40.26 +19 58 06.6 r 642
2003-08-19 22:13:22 C 20 49 43.83 +19 41 58.8 d 170
2003-08-19 22:24:36 C 20 49 43.18 +19 41 49.6 d 170
2003-08-20 01:48:36 C 20 49 31.73 +19 38 46.5 m 859
2003-08-20 01:54:25 C 20 49 31.55 +19 38 41.4 m 859
2003-08-20 05:42:50 C 20 49 19.33 +19 34 40.5 r 642
2003-08-20 05:46:22 C 20 49 19.20 +19 34 35.9 r 642
2003-08-20 05:49:54 C 20 49 19.05 +19 34 32.4 r 642
2003-08-21 05:19:46 C 20 48 04.95 +19 11 47.0 r 642
2003-08-21 05:23:09 C 20 48 04.58 +19 11 44.2 r 642
2003-08-21 05:26:32 C 20 48 04.57 +19 11 39.7 r 642
2003-08-21 05:29:55 C 20 48 04.37 +19 11 36.6 r 642