585428 (2018 NP1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2309154668 ± 2.42e-07
Semi-major axis (a)1.0227381110 AU ± 3.30e-08
Inclination (i)27.65701767° ± 2.28e-05
Long. of Asc. Node (Ω)114.45000861° ± 7.40e-06
Arg. of Perihelion (ω)355.83368596° ± 5.37e-05
Mean Anomaly (M)231.72793405° ± 1.09e-04
Mean Motion (n)0.9529401309°/day ± 4.61e-08
Perihelion dist (q)0.78657206 AU ± 2.49e-07
Aphelion dist (Q)1.25890416 AU ± 2.51e-07
Orbital Period1.03430032 yr ± 5.01e-08
Physical Parameters
H (abs. magnitude)20.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.322″
Uncertainty0
Orbit TypeApollo
MOID0.196918 AU
Observations Used75
Oppositions1
Arc Total2017-2021
First Observation Used2017-06-10
Last Observation Used2021-06-26
Observations (77)
Date Type RA Dec Mag Band Observatory
2017-06-10 13:23:33 C 22 25 11.444 +00 53 55.73 V F51
2017-06-10 13:40:17 C 22 25 12.747 +00 53 41.79 V F51
2017-06-10 13:57:01 C 22 25 14.065 +00 53 27.66 V F51
2017-06-10 14:13:47 C 22 25 15.431 +00 53 13.65 V F51
2017-07-26 14:32:12 C 00 09 17.028 -39 12 18.29 V F51
2017-07-26 14:38:43 C 00 09 17.740 -39 12 42.04 V F51
2018-06-22 13:24:13 C 21 42 32.756 +02 51 51.61 V F51
2018-07-09 12:52:32 C 21 41 06.275 -14 11 15.01 U F51
2018-07-09 13:08:22 C 21 41 05.661 -14 12 10.71 U F51
2018-07-09 13:24:10 C 21 41 05.053 -14 13 05.89 U F51
2018-07-09 13:39:59 C 21 41 04.433 -14 14 01.27 U F51
2018-07-10 00:34:06 C 21 40 44.94 -14 52 41.5 18.8 U 104
2018-07-10 00:39:38 C 21 40 44.74 -14 53 01.3 19.0 U 104
2018-07-10 00:46:33 C 21 40 44.48 -14 53 26.4 U 104
2018-07-10 07:39:05 C 21 40 31.15 -15 18 02.8 U 734
2018-07-10 08:00:56 C 21 40 30.26 -15 19 21.9 U 734
2018-07-10 08:08:13 C 21 40 29.96 -15 19 48.1 U 734
2018-07-10 08:15:30 C 21 40 29.67 -15 20 14.5 U 734
2018-07-10 08:36:15 C 21 40 28.60 -15 21 28.4 u H21
2018-07-10 08:43:20 C 21 40 28.31 -15 21 54.0 u H21
2018-07-10 08:51:16 C 21 40 27.99 -15 22 22.6 u H21
2018-07-11 08:25:02 C 21 39 37.97 -16 48 42.6 u H21
2018-07-11 08:29:32 C 21 39 37.77 -16 48 59.4 u H21
2018-07-11 08:31:43 C 21 39 37.66 -16 49 08.0 u H21
2018-07-11 11:32:58 C 21 39 32.81 -16 59 43.7 q E08
2018-07-11 11:44:29 C 21 39 32.25 -17 00 27.2 q E08
2018-07-11 11:55:59 C 21 39 31.81 -17 01 11.0 q E08
2018-07-14 14:03:14 C 21 36 09.40 -21 51 13.3 U 474
2018-07-14 14:07:22 C 21 36 09.22 -21 51 29.9 U 474
2018-07-14 14:10:15 C 21 36 09.01 -21 51 41.3 U 474
2018-07-18 12:50:36 C 21 30 13.32 -28 33 28.5 U 474
2018-07-18 12:53:40 C 21 30 13.06 -28 33 42.1 U 474
2018-07-18 12:56:44 C 21 30 12.82 -28 33 55.5 U 474
2018-07-18 12:59:17 C 21 30 12.59 -28 34 07.0 U 474
2018-07-22 10:59:40 C 21 22 11.65 -35 33 00.2 U T05
2018-07-22 11:08:13 C 21 22 10.83 -35 33 37.8 U T05
2018-07-22 11:20:07 C 21 22 09.53 -35 34 30.9 U T05
2018-07-22 11:28:41 C 21 22 08.56 -35 35 08.5 U T05
2018-08-09 11:15:20 C 20 10 38.61 -62 09 42.0 V 474
2018-08-09 11:17:23 C 20 10 38.11 -62 09 47.1 V 474
2018-08-09 11:19:25 C 20 10 37.58 -62 09 52.0 V 474
2019-06-07 08:34:09 C 20 31 17.93 +22 28 21.9 V I52
2019-06-07 08:39:54 C 20 31 17.89 +22 28 19.2 V I52
2019-06-07 08:45:41 C 20 31 17.67 +22 28 14.4 V I52
2019-06-25 07:58:04 C 20 05 38.16 +12 51 54.0 u H21
2019-06-25 08:06:47 C 20 05 37.23 +12 51 34.7 u H21
2019-06-25 08:11:26 C 20 05 36.74 +12 51 24.4 u H21
2019-06-26 23:22:22 C 20 01 42.93 +11 24 07.8 V 204
2019-06-26 23:40:11 C 20 01 40.94 +11 23 27.5 V 204
2019-07-10 06:52:02 C 19 19 28.34 -05 07 03.0 o 691