554126 (2012 NP)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4714184185 ± 9.78e-09
Semi-major axis (a)2.0909853458 AU ± 1.36e-09
Inclination (i)7.37349891° ± 2.07e-06
Long. of Asc. Node (Ω)149.23839760° ± 6.14e-06
Arg. of Perihelion (ω)161.05493530° ± 8.97e-06
Mean Anomaly (M)147.57521772° ± 3.27e-06
Mean Motion (n)0.3259761247°/day ± 3.17e-10
Perihelion dist (q)1.10525634 AU ± 2.05e-08
Aphelion dist (Q)3.07671435 AU ± 2.05e-08
Orbital Period3.02361495 yr ± 2.94e-09
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.285″
Uncertainty0
Orbit TypeAmor
MOID0.096506 AU
Observations Used433
Oppositions14
Arc Total2003-2024
First Observation Used2003-10-23
Last Observation Used2024-06-07
Observations (448)
Date Type RA Dec Mag Band Observatory
2012-08-05 00:42:08 C 23 42 07.15 +10 51 20.0 u 160
2012-08-07 02:49:56 C 23 52 53.76 +09 31 48.5 c A24
2012-08-07 02:51:32 C 23 52 54.04 +09 31 45.5 c A24
2012-08-07 02:52:53 C 23 52 54.32 +09 31 43.6 c A24
2012-08-08 08:36:15 C 23 58 57.96 +08 43 56.8 u H21
2012-08-08 08:37:40 C 23 58 58.22 +08 43 54.7 u H21
2012-08-08 08:43:01 C 23 58 59.21 +08 43 46.1 u H21
2012-08-08 08:48:22 C 23 59 00.21 +08 43 37.4 u H21
2012-08-08 08:53:42 C 23 59 01.19 +08 43 28.5 u H21
2012-08-09 02:35:05 C 00 02 29.41 +08 14 43.6 c A24
2012-08-09 02:36:10 C 00 02 29.58 +08 14 42.3 c A24
2012-08-09 02:37:14 C 00 02 29.78 +08 14 40.7 c A24
2012-08-09 02:38:18 C 00 02 30.01 +08 14 38.8 c A24
2012-08-11 10:25:52 C 00 12 49.39 +06 44 10.2 r 703
2012-08-11 10:42:04 C 00 12 51.87 +06 43 43.7 r 703
2012-08-11 10:50:12 C 00 12 53.13 +06 43 29.1 r 703
2012-08-11 23:50:12 C 00 15 11.33 +06 22 08.0 r A17
2012-08-12 00:01:22 C 00 15 13.14 +06 21 50.2 r A17
2012-08-12 00:12:33 C 00 15 14.98 +06 21 32.1 r A17
2012-08-12 07:45:12 C 00 16 32.13 +06 09 30.6 u H45
2012-08-12 07:46:44 C 00 16 32.39 +06 09 27.9 u H45
2012-08-12 07:48:06 C 00 16 32.63 +06 09 25.9 u H45
2012-08-12 07:49:33 C 00 16 32.80 +06 09 23.4 u H45
2012-08-12 07:50:51 C 00 16 33.02 +06 09 20.8 u H45
2012-08-12 07:52:21 C 00 16 33.31 +06 09 18.7 u H45
2012-08-12 08:05:19 C 00 16 36.07 +06 08 59.5 18.7 c 704
2012-08-12 08:14:54 C 00 16 36.49 +06 08 38.6 t H21
2012-08-12 08:21:01 C 00 16 37.43 +06 08 28.7 t H21
2012-08-12 08:27:06 C 00 16 38.39 +06 08 18.8 t H21
2012-08-12 08:32:42 C 00 16 39.27 +06 08 09.7 t H21
2012-08-12 08:41:00 C 00 16 41.64 +06 08 01.9 19.1 c 704
2012-08-12 08:58:47 C 00 16 44.40 +06 07 33.0 19.1 c 704
2012-08-12 09:16:34 C 00 16 47.22 +06 07 04.8 19.0 c 704
2012-08-13 00:45:03 C 00 19 21.84 +05 41 51.8 u C73
2012-08-13 00:46:22 C 00 19 22.05 +05 41 49.7 u C73
2012-08-13 00:47:40 C 00 19 22.24 +05 41 47.8 u C73
2012-08-13 00:49:00 C 00 19 22.45 +05 41 45.7 u C73
2012-08-13 00:50:18 C 00 19 22.63 +05 41 43.3 u C73
2012-08-13 00:51:37 C 00 19 22.83 +05 41 40.9 u C73
2012-08-13 00:52:56 C 00 19 23.04 +05 41 38.3 u C73
2012-08-13 00:54:14 C 00 19 23.25 +05 41 36.1 u C73
2012-08-13 00:55:34 C 00 19 23.45 +05 41 34.2 u C73
2012-08-13 00:56:52 C 00 19 23.66 +05 41 32.1 u C73
2012-08-13 00:58:11 C 00 19 23.83 +05 41 30.2 u C73
2012-08-13 00:59:30 C 00 19 24.03 +05 41 28.0 u C73
2012-08-13 01:00:48 C 00 19 24.23 +05 41 25.8 u C73
2012-08-13 01:02:08 C 00 19 24.44 +05 41 23.7 u C73
2012-08-14 07:21:24 C 00 24 17.01 +04 52 43.3 u H45
2012-08-14 07:23:41 C 00 24 17.32 +04 52 39.1 u H45
2012-08-14 07:25:20 C 00 24 17.55 +04 52 36.3 u H45