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
2012-08-14 07:26:56 C 00 24 17.79 +04 52 33.6 u H45
2012-08-14 07:29:26 C 00 24 18.16 +04 52 30.0 u H45
2012-08-14 07:30:55 C 00 24 18.31 +04 52 27.9 u H45
2012-08-15 02:08:36 C 00 27 07.80 +04 22 34.7 c A24
2012-08-15 02:10:13 C 00 27 07.99 +04 22 31.4 c A24
2012-08-16 23:41:26 C 00 33 40.60 +03 10 36.1 u A13
2012-08-17 00:12:08 C 00 33 44.71 +03 09 45.9 u A13
2012-08-19 00:52:56 C 00 40 02.23 +01 54 38.8 o B67
2012-08-19 00:59:08 C 00 40 02.90 +01 54 29.5 o B67
2012-08-19 01:05:20 C 00 40 03.57 +01 54 19.9 o B67
2012-08-24 01:39:38 C 00 52 55.24 -01 02 01.9 r 106
2012-08-24 01:57:13 C 00 52 56.65 -01 02 26.4 r 106
2012-08-24 02:14:52 C 00 52 58.11 -01 02 51.0 r 106
2012-08-24 02:32:34 C 00 52 59.53 -01 03 16.1 r 106
2012-08-30 07:56:34 C 01 04 08.93 -04 18 18.6 v H21
2012-08-30 08:03:39 C 01 04 09.27 -04 18 26.9 v H21
2012-08-30 08:10:43 C 01 04 09.63 -04 18 36.0 v H21
2012-08-31 08:40:16 C 01 05 32.20 -04 47 54.6 u H21
2012-08-31 08:45:36 C 01 05 32.42 -04 48 00.6 u H21
2012-08-31 08:51:06 C 01 05 32.67 -04 48 07.0 u H21
2012-08-31 08:56:32 C 01 05 32.92 -04 48 13.2 u H21
2012-09-04 07:01:59 C 01 09 50.08 -06 33 35.3 u H21
2012-09-04 07:08:36 C 01 09 50.28 -06 33 42.0 u H21
2012-09-04 07:15:27 C 01 09 50.45 -06 33 49.5 u H21
2012-09-06 06:49:41 C 01 11 25.34 -07 22 42.8 v H21
2012-09-06 06:56:54 C 01 11 25.51 -07 22 50.0 v H21
2012-09-06 07:04:06 C 01 11 25.61 -07 22 56.9 v H21
2012-09-06 07:09:39 C 01 11 25.74 -07 23 02.9 v H21
2015-05-19 08:16:18 C 16 58 45.97 +03 02 26.8 o 926
2015-05-19 08:39:52 C 16 58 46.18 +03 02 46.3 o 926
2015-05-19 08:59:53 C 16 58 46.34 +03 03 01.9 o 926
2015-05-20 08:07:24 C 16 59 05.11 +03 22 03.6 o 926
2015-05-20 08:31:24 C 16 59 05.28 +03 22 23.3 o 926
2015-05-20 08:56:49 C 16 59 05.46 +03 22 44.4 o 926
2015-05-24 07:08:29 C 17 00 11.16 +04 40 51.0 q G96
2015-05-24 07:10:10 C 17 00 11.17 +04 40 52.5 q G96
2015-05-24 07:12:26 C 17 00 11.18 +04 40 54.4 q G96
2015-05-24 07:14:07 C 17 00 11.19 +04 40 55.9 q G96
2015-05-24 07:16:26 C 17 00 11.19 +04 40 57.9 q G96
2015-05-24 07:18:08 C 17 00 11.22 +04 40 58.8 q G96
2015-05-24 07:20:24 C 17 00 11.24 +04 41 01.1 q G96
2015-05-24 07:22:05 C 17 00 11.21 +04 41 02.4 q G96
2015-06-07 12:32:01 C 17 02 42.156 +09 18 36.39 L F51
2015-06-07 12:48:53 C 17 02 42.159 +09 18 49.25 L F51
2015-06-07 13:09:57 C 17 02 42.148 +09 19 05.29 L F51
2015-06-08 11:48:12 C 17 02 51.429 +09 36 19.37 L F51
2015-06-08 12:04:58 C 17 02 51.428 +09 36 31.80 L F51
2015-06-08 12:21:44 C 17 02 51.409 +09 36 44.37 L F51
2015-06-08 12:38:29 C 17 02 51.397 +09 36 56.95 L F51
2015-07-07 06:10:03 C 17 20 13.76 +14 44 20.8 q G96