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
2012-07-20 08:28:21 C 22 03 35.92 +18 15 00.7 u H21
2012-07-20 08:30:47 C 22 03 36.56 +18 14 59.2 u H21
2012-07-20 08:35:40 C 22 03 37.85 +18 14 56.2 u H21
2012-07-21 06:55:33 C 22 09 55.57 +18 00 16.8 u H21
2012-07-21 06:57:39 C 22 09 56.13 +18 00 15.5 u H21
2012-07-21 06:59:44 C 22 09 56.69 +18 00 14.0 u H21
2012-07-21 07:03:56 C 22 09 57.81 +18 00 11.3 u H21
2012-07-21 07:06:01 C 22 09 58.36 +18 00 09.8 u H21
2012-07-21 07:07:45 C 22 09 58.83 +18 00 08.6 u H21
2012-07-22 06:24:16 C 22 16 31.66 +17 42 56.8 u H21
2012-07-22 06:37:25 C 22 16 35.17 +17 42 46.8 u H21
2012-07-22 06:43:59 C 22 16 36.93 +17 42 41.8 u H21
2012-07-22 22:28:56 C 22 21 02.88 +17 29 45.1 r A17
2012-07-22 22:40:10 C 22 21 05.93 +17 29 36.1 r A17
2012-07-22 22:42:49 C 22 21 06.81 +17 29 37.3 t 204
2012-07-22 22:50:31 C 22 21 08.88 +17 29 31.1 t 204
2012-07-22 22:51:24 C 22 21 08.98 +17 29 27.1 r A17
2012-07-22 22:57:49 C 22 21 10.83 +17 29 25.3 t 204
2012-07-24 01:27:49 C 22 28 33.46 +17 06 05.9 c A24
2012-07-24 01:29:59 C 22 28 34.04 +17 06 04.0 c A24
2012-07-24 01:48:22 C 22 28 38.88 +17 05 46.6 c A24
2012-07-24 02:10:10 C 22 28 44.66 +17 05 27.0 c A24
2012-07-24 02:27:50 C 22 28 49.39 +17 05 11.1 c A24
2012-07-24 02:30:00 C 22 28 49.90 +17 05 08.2 c A24
2012-07-24 06:36:07 C 22 30 00.90 +17 01 26.6 u H45
2012-07-24 06:37:41 C 22 30 01.33 +17 01 24.8 u H45
2012-07-24 06:39:04 C 22 30 01.62 +17 01 23.8 u H45
2012-07-24 06:40:20 C 22 30 01.98 +17 01 22.3 u H45
2012-07-24 06:41:48 C 22 30 02.43 +17 01 21.1 u H45
2012-07-24 06:43:31 C 22 30 02.83 +17 01 19.2 u H45
2012-07-24 22:10:06 C 22 34 20.89 +16 46 02.7 r A17
2012-07-24 22:21:06 C 22 34 23.81 +16 45 52.7 r A17
2012-07-24 22:32:35 C 22 34 26.91 +16 45 41.1 r A17
2012-07-26 06:06:27 C 22 43 08.32 +16 12 52.8 r H21
2012-07-26 06:10:36 C 22 43 09.42 +16 12 48.8 r H21
2012-07-26 06:17:09 C 22 43 11.09 +16 12 41.3 r H21
2012-07-26 07:01:20 C 22 43 22.94 +16 11 58.0 u H45
2012-07-26 07:03:43 C 22 43 23.55 +16 11 55.3 u H45
2012-07-26 07:05:19 C 22 43 23.99 +16 11 53.5 u H45
2012-07-26 07:20:11 C 22 43 27.83 +16 11 37.7 u H45
2012-07-26 07:21:26 C 22 43 28.13 +16 11 36.6 u H45
2012-07-26 07:23:00 C 22 43 28.56 +16 11 34.4 u H45
2012-07-26 23:28:45 C 22 47 52.27 +15 53 15.0 r A17
2012-07-26 23:45:35 C 22 47 56.66 +15 52 55.9 r A17
2012-07-27 00:04:58 C 22 48 01.70 +15 52 34.3 r A17
2012-07-27 01:30:28 C 22 48 23.88 +15 51 01.3 c A24
2012-07-27 01:32:38 C 22 48 24.43 +15 50 58.8 c A24
2012-07-27 01:42:53 C 22 48 27.08 +15 50 47.2 c A24
2012-07-27 01:56:33 C 22 48 30.61 +15 50 31.7 c A24
2012-07-27 02:06:06 C 22 48 33.05 +15 50 20.3 c A24