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
2012-07-27 02:08:14 C 22 48 33.60 +15 50 18.3 c A24
2012-07-27 23:07:08 C 22 54 15.11 +15 25 30.1 u 157
2012-07-27 23:11:25 C 22 54 16.24 +15 25 25.0 u 157
2012-07-27 23:15:42 C 22 54 17.31 +15 25 20.1 u 157
2012-07-28 00:46:32 C 22 54 40.52 +15 23 30.2 u 160
2012-07-28 00:50:22 C 22 54 41.49 +15 23 25.5 u 160
2012-07-28 00:54:40 C 22 54 42.59 +15 23 20.7 u 160
2012-07-28 07:47:02 C 22 56 32.90 +15 15 03.6 u H45
2012-07-28 07:48:37 C 22 56 33.32 +15 15 01.9 u H45
2012-07-28 07:50:15 C 22 56 33.69 +15 15 00.1 u H45
2012-07-28 07:51:27 C 22 56 33.94 +15 14 58.4 u H45
2012-07-28 07:52:45 C 22 56 34.29 +15 14 57.1 u H45
2012-07-28 07:53:12 C 22 56 34.08 +15 14 52.0 u H21
2012-07-28 07:54:27 C 22 56 34.73 +15 14 54.7 u H45
2012-07-28 07:57:42 C 22 56 35.20 +15 14 46.4 u H21
2012-07-28 08:02:09 C 22 56 36.31 +15 14 41.0 u H21
2012-07-28 08:06:20 C 22 56 37.37 +15 14 35.7 u H21
2012-07-28 08:10:45 C 22 56 38.50 +15 14 30.4 u H21
2012-07-29 00:04:43 C 23 00 52.54 +14 54 27.1 u 160
2012-07-29 00:07:40 C 23 00 53.29 +14 54 23.2 u 160
2012-07-29 00:10:38 C 23 00 54.03 +14 54 19.5 u 160
2012-07-29 08:43:18 C 23 03 07.13 +14 43 25.4 u H21
2012-07-29 08:46:30 C 23 03 07.91 +14 43 21.3 u H21
2012-07-29 08:49:41 C 23 03 08.69 +14 43 17.1 u H21
2012-07-29 23:41:50 C 23 07 03.17 +14 23 38.0 u 160
2012-07-29 23:45:23 C 23 07 04.07 +14 23 33.4 u 160
2012-07-29 23:48:39 C 23 07 04.88 +14 23 29.0 u 160
2012-07-30 08:11:00 C 23 09 13.13 +14 12 21.3 u H21
2012-07-30 08:15:34 C 23 09 14.24 +14 12 15.1 u H21
2012-07-30 08:19:52 C 23 09 15.30 +14 12 09.4 u H21
2012-07-31 01:16:56 C 23 13 35.46 +13 48 52.5 u 160
2012-07-31 01:19:55 C 23 13 36.17 +13 48 48.5 u 160
2012-07-31 01:22:53 C 23 13 36.89 +13 48 44.6 u 160
2012-07-31 23:43:22 C 23 19 14.62 +13 17 14.2 u 160
2012-07-31 23:47:22 C 23 19 15.61 +13 17 08.8 u 160
2012-07-31 23:51:19 C 23 19 16.59 +13 17 02.8 u 160
2012-08-02 00:26:43 C 23 25 18.15 +12 41 23.2 u 160
2012-08-02 00:30:41 C 23 25 19.11 +12 41 16.1 u 160
2012-08-02 00:33:24 C 23 25 19.72 +12 41 11.8 u 160
2012-08-02 07:43:12 C 23 27 03.09 +12 30 41.3 u H21
2012-08-02 07:48:31 C 23 27 04.31 +12 30 33.5 u H21
2012-08-02 07:53:59 C 23 27 05.55 +12 30 25.9 u H21
2012-08-03 00:09:42 C 23 30 58.94 +12 06 00.8 u 160
2012-08-03 00:13:37 C 23 30 59.83 +12 05 54.3 u 160
2012-08-03 00:17:36 C 23 31 00.73 +12 05 48.5 u 160
2012-08-03 23:40:26 C 23 36 27.98 +11 30 10.6 u 160
2012-08-03 23:44:26 C 23 36 28.87 +11 30 04.3 u 160
2012-08-03 23:47:38 C 23 36 29.60 +11 29 59.3 u 160
2012-08-05 00:34:18 C 23 42 05.50 +10 51 32.5 u 160
2012-08-05 00:38:13 C 23 42 06.31 +10 51 26.2 u 160