311321 (2005 NP1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2965163346 ± 6.32e-08
Semi-major axis (a)1.8267775958 AU ± 7.65e-09
Inclination (i)34.71425599° ± 1.61e-05
Long. of Asc. Node (Ω)274.95178609° ± 5.53e-06
Arg. of Perihelion (ω)307.60529883° ± 2.58e-05
Mean Anomaly (M)116.42316399° ± 3.37e-05
Mean Motion (n)0.3991937758°/day ± 2.51e-09
Perihelion dist (q)1.28510820 AU ± 1.15e-07
Aphelion dist (Q)2.36844699 AU ± 1.16e-07
Orbital Period2.46904221 yr ± 1.55e-08
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.319″
Uncertainty0
Orbit TypeAmor
MOID0.368617 AU
Observations Used159
Oppositions12
Arc Total2005-2025
First Observation Used2005-07-03
Last Observation Used2025-06-23
Observations (210)
Date Type RA Dec Mag Band Observatory
2005-07-03 12:42:53 C 15 43 32.48 -31 43 19.5 r E12
2005-07-03 12:52:50 C 15 43 33.09 -31 42 47.7 r E12
2005-07-03 13:02:46 C 15 43 33.74 -31 42 15.4 r E12
2005-07-03 15:58:51 C 15 43 45.38 -31 32 53.0 r 413
2005-07-03 16:01:01 C 15 43 45.53 -31 32 45.8 r 413
2005-07-03 16:56:04 C 15 43 49.32 -31 29 50.1 r 413
2005-07-04 02:52:18 C 15 44 30.87 -30 58 43.8 r I77
2005-07-04 02:58:18 C 15 44 31.38 -30 58 24.2 r I77
2005-07-04 03:35:21 C 15 44 35.04 -30 56 45.1 c 711
2005-07-04 03:40:51 C 15 44 35.39 -30 56 29.3 c 711
2005-07-04 03:46:42 C 15 44 35.75 -30 56 09.1 c 711
2005-07-04 04:43:39 C 15 44 39.36 -30 53 10.4 o H06
2005-07-04 04:59:42 C 15 44 40.47 -30 52 20.6 o H06
2005-07-04 09:21:55 C 15 44 59.371 -30 38 26.56 r 413
2005-07-04 09:22:40 C 15 44 59.422 -30 38 24.32 r 413
2005-07-04 09:23:25 C 15 44 59.469 -30 38 21.82 r 413
2005-07-04 16:03:59 C 15 45 25.29 -30 17 35.6 r 413
2005-07-04 16:07:03 C 15 45 25.48 -30 17 25.9 r 413
2005-07-05 03:05:57 C 15 46 12.00 -29 44 09.6 r 734
2005-07-05 03:08:26 C 15 46 12.11 -29 44 02.7 r 734
2005-07-05 03:10:55 C 15 46 12.27 -29 43 54.4 r 734
2005-07-05 04:16:48 C 15 46 16.84 -29 40 32.7 c 854
2005-07-05 04:19:05 C 15 46 16.80 -29 40 26.3 c 711
2005-07-05 04:24:44 C 15 46 17.17 -29 40 09.1 c 711
2005-07-05 04:26:30 C 15 46 17.41 -29 40 03.3 c 854
2005-07-05 04:30:38 C 15 46 17.53 -29 39 51.2 c 711
2005-07-05 04:36:10 C 15 46 17.99 -29 39 33.3 c 854
2005-07-05 11:49:33 C 15 46 47.09 -29 17 17.5 r 474
2005-07-05 11:50:26 C 15 46 47.455 -29 17 20.35 r 413
2005-07-05 11:51:04 C 15 46 47.19 -29 17 13.1 r 474
2005-07-05 11:52:43 C 15 46 47.605 -29 17 13.39 r 413
2005-07-05 11:53:04 C 15 46 47.34 -29 17 07.1 r 474
2005-07-06 16:00:33 C 15 48 41.21 -27 53 34.2 r 413
2005-07-06 16:02:51 C 15 48 41.37 -27 53 27.6 r 413
2005-07-07 03:24:27 C 15 49 28.40 -27 20 54.4 r 649
2005-07-07 03:27:00 C 15 49 28.58 -27 20 46.3 r 649
2005-07-07 03:29:33 C 15 49 28.71 -27 20 39.0 r 649
2005-07-07 03:32:06 C 15 49 28.87 -27 20 31.8 r 649
2005-07-15 05:54:38 C 16 02 13.39 -19 06 28.4 r 448
2005-07-15 06:09:34 C 16 02 14.27 -19 05 55.1 r 448
2005-07-15 06:25:41 C 16 02 15.33 -19 05 19.8 r 448
2005-07-25 04:16:06 C 16 17 24.32 -11 45 54.6 r 734
2005-07-25 04:22:27 C 16 17 24.67 -11 45 47.1 r 734
2005-07-25 04:28:49 C 16 17 25.12 -11 45 35.0 r 734
2005-08-10 03:12:23 C 16 41 50.07 -04 33 55.5 r 734
2005-08-10 03:25:05 C 16 41 50.90 -04 33 43.0 r 734
2005-08-10 03:39:54 C 16 41 51.79 -04 33 31.6 r 734
2005-08-28 06:42:47 C 17 10 48.69 -00 21 14.6 o F65
2005-08-28 06:57:01 C 17 10 49.65 -00 21 08.9 o F65
2005-08-28 07:05:43 C 17 10 50.24 -00 21 05.3 o F65