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
2003-10-23 08:28:31 C 03 17 07.91 +00 04 14.6 o 645
2003-10-23 08:29:42 C 03 17 07.82 +00 04 14.1 o 645
2003-10-23 08:33:17 C 03 17 07.61 +00 04 13.1 o 645
2003-10-24 08:14:21 C 03 15 41.55 -00 03 01.7 o 645
2003-10-24 08:15:33 C 03 15 41.49 -00 03 02.0 o 645
2003-10-24 08:19:08 C 03 15 41.25 -00 03 03.2 o 645
2012-07-13 07:57:50 C 21 17 30.35 +19 07 48.9 19.3 c 704
2012-07-13 08:12:59 C 21 17 34.31 +19 07 51.2 19.5 c 704
2012-07-13 08:28:09 C 21 17 37.97 +19 07 51.4 20.0 c 704
2012-07-13 08:43:38 C 21 17 41.85 +19 07 50.2 19.5 c 704
2012-07-13 08:58:48 C 21 17 45.60 +19 07 49.8 19.4 c 704
2012-07-14 09:19:15 C 21 24 12.12 +19 06 15.5 19.6 c 704
2012-07-14 09:34:37 C 21 24 15.90 +19 06 13.3 19.5 c 704
2012-07-14 09:50:00 C 21 24 19.83 +19 06 11.2 19.6 c 704
2012-07-14 10:05:38 C 21 24 23.77 +19 06 08.6 19.4 c 704
2012-07-14 23:03:19 C 21 27 55.11 +19 04 14.2 v I93
2012-07-14 23:21:42 C 21 27 59.90 +19 04 12.1 v I93
2012-07-14 23:36:24 C 21 28 03.65 +19 04 10.4 v I93
2012-07-15 02:25:05 C 21 28 47.93 +19 04 01.3 u 954
2012-07-15 02:39:29 C 21 28 51.60 +19 03 59.5 u 954
2012-07-15 02:54:13 C 21 28 55.34 +19 03 56.8 u 954
2012-07-15 04:57:22 C 21 29 29.98 +19 04 29.7 u 807
2012-07-15 05:00:47 C 21 29 30.83 +19 04 29.1 u 807
2012-07-15 05:04:18 C 21 29 31.75 +19 04 28.7 u 807
2012-07-15 05:07:47 C 21 29 32.63 +19 04 28.2 u 807
2012-07-15 05:11:09 C 21 29 33.50 +19 04 27.5 u 807
2012-07-15 05:14:25 C 21 29 34.33 +19 04 27.0 u 807
2012-07-15 07:38:05 C 21 30 13.08 +19 03 02.5 19.0 c 704
2012-07-15 07:44:59 C 21 30 14.13 +19 02 55.9 u 734
2012-07-15 07:53:25 C 21 30 17.02 +19 02 59.8 19.4 c 704
2012-07-15 07:55:36 C 21 30 16.85 +19 02 53.9 u 734
2012-07-15 08:03:52 C 21 30 18.97 +19 02 52.3 u 734
2012-07-15 08:08:45 C 21 30 20.97 +19 02 57.4 19.3 c 704
2012-07-15 08:24:04 C 21 30 24.93 +19 02 54.4 19.3 c 704
2012-07-15 08:24:15 C 21 30 23.71 +19 02 48.1 t H21
2012-07-15 08:29:07 C 21 30 24.98 +19 02 47.2 t H21
2012-07-15 08:34:35 C 21 30 26.38 +19 02 46.3 t H21
2012-07-15 08:39:10 C 21 30 27.55 +19 02 45.3 t H21
2012-07-15 08:39:27 C 21 30 28.78 +19 02 51.2 19.5 c 704
2012-07-15 23:30:59 C 21 34 31.53 +18 59 31.6 u 160
2012-07-15 23:34:23 C 21 34 32.43 +18 59 30.5 u 160
2012-07-15 23:38:43 C 21 34 33.52 +18 59 29.6 u 160
2012-07-15 23:43:55 C 21 34 34.90 +18 59 28.8 u 160
2012-07-16 00:40:11 C 21 34 49.57 +18 59 14.5 t 204
2012-07-16 00:52:39 C 21 34 52.83 +18 59 11.6 t 204
2012-07-16 01:05:00 C 21 34 56.02 +18 59 08.7 t 204
2012-07-16 07:00:57 C 21 36 33.61 +18 57 44.4 t H21
2012-07-16 07:04:47 C 21 36 34.59 +18 57 43.4 t H21
2012-07-16 07:08:30 C 21 36 35.57 +18 57 42.4 t H21
2012-07-16 07:12:14 C 21 36 36.52 +18 57 41.6 t H21