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
2012-07-16 07:16:04 C 21 36 37.53 +18 57 40.6 t H21
2012-07-17 00:23:51 C 21 41 19.68 +18 52 33.1 u 160
2012-07-17 00:27:50 C 21 41 20.71 +18 52 32.3 u 160
2012-07-17 00:31:50 C 21 41 21.70 +18 52 30.6 u 160
2012-07-17 01:34:05 C 21 41 37.99 +18 52 08.7 c A24
2012-07-17 01:36:14 C 21 41 38.65 +18 52 09.3 c A24
2012-07-17 07:57:06 C 21 43 23.67 +18 50 04.7 u H21
2012-07-17 07:59:46 C 21 43 24.37 +18 50 03.7 u H21
2012-07-17 08:01:47 C 21 43 24.90 +18 50 03.0 u H21
2012-07-17 08:03:48 C 21 43 25.43 +18 50 02.3 u H21
2012-07-17 08:05:49 C 21 43 25.94 +18 50 01.6 u H21
2012-07-17 08:08:35 C 21 43 26.67 +18 50 00.6 u H21
2012-07-18 00:20:06 C 21 47 56.52 +18 43 44.2 u 160
2012-07-18 00:23:51 C 21 47 57.50 +18 43 43.1 u 160
2012-07-18 00:27:37 C 21 47 58.49 +18 43 41.8 u 160
2012-07-18 01:39:43 C 21 48 17.67 +18 43 10.9 c A24
2012-07-18 01:41:19 C 21 48 18.09 +18 43 10.0 c A24
2012-07-18 01:42:41 C 21 48 18.42 +18 43 09.6 c A24
2012-07-18 01:57:51 C 21 48 22.43 +18 43 02.4 t 130
2012-07-18 02:00:44 C 21 48 23.14 +18 43 02.6 t 130
2012-07-18 02:03:37 C 21 48 23.92 +18 42 59.3 t 130
2012-07-18 02:06:29 C 21 48 24.71 +18 42 58.8 t 130
2012-07-18 08:17:27 C 21 50 08.00 +18 40 26.0 u H21
2012-07-18 08:20:57 C 21 50 08.92 +18 40 24.5 u H21
2012-07-18 08:24:28 C 21 50 09.84 +18 40 22.9 u H21
2012-07-18 08:27:45 C 21 50 10.71 +18 40 21.5 u H21
2012-07-18 08:30:36 C 21 50 11.47 +18 40 20.2 u H21
2012-07-18 08:33:54 C 21 50 12.33 +18 40 18.7 u H21
2012-07-18 23:36:16 C 21 54 25.68 +18 33 10.4 u 160
2012-07-18 23:40:09 C 21 54 26.74 +18 33 08.5 u 160
2012-07-18 23:44:22 C 21 54 27.90 +18 33 06.9 u 160
2012-07-19 01:21:37 C 21 54 53.84 +18 32 17.6 c A24
2012-07-19 01:23:45 C 21 54 54.38 +18 32 16.7 c A24
2012-07-19 01:43:45 C 21 54 59.73 +18 32 06.8 c A24
2012-07-19 02:07:09 C 21 55 05.92 +18 31 54.9 c A24
2012-07-19 02:26:26 C 21 55 11.06 +18 31 44.9 c A24
2012-07-19 02:28:34 C 21 55 11.61 +18 31 43.6 c A24
2012-07-19 23:49:05 C 22 01 11.99 +18 20 06.6 o 160
2012-07-19 23:52:40 C 22 01 12.95 +18 20 04.8 o 160
2012-07-19 23:56:14 C 22 01 13.90 +18 20 02.9 o 160
2012-07-20 01:07:39 C 22 01 33.08 +18 19 20.2 c A24
2012-07-20 01:51:16 C 22 01 44.70 +18 18 55.2 c A24
2012-07-20 01:55:51 C 22 01 47.65 +18 19 07.9 o J13
2012-07-20 01:56:32 C 22 01 47.80 +18 19 07.5 o J13
2012-07-20 01:57:11 C 22 01 47.99 +18 19 07.5 o J13
2012-07-20 01:57:50 C 22 01 48.19 +18 19 06.8 o J13
2012-07-20 02:13:53 C 22 01 50.77 +18 18 41.3 c A24
2012-07-20 03:49:03 C 22 02 17.41 +18 18 01.8 t J04
2012-07-20 03:51:48 C 22 02 18.13 +18 18 00.1 t J04
2012-07-20 03:54:32 C 22 02 18.85 +18 17 58.5 t J04