2018 NM4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2523274779 ± 7.64e-08
Semi-major axis (a)1.6924620628 AU ± 4.48e-08
Inclination (i)17.97770397° ± 7.34e-06
Long. of Asc. Node (Ω)131.00373133° ± 1.41e-05
Arg. of Perihelion (ω)194.19793587° ± 2.24e-05
Mean Anomaly (M)113.44295659° ± 4.49e-05
Mean Motion (n)0.4476451281°/day ± 1.78e-08
Perihelion dist (q)1.26540738 AU ± 1.34e-07
Aphelion dist (Q)2.11951675 AU ± 1.41e-07
Orbital Period2.20180277 yr ± 8.74e-08
Physical Parameters
H (abs. magnitude)20.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.223″
Uncertainty0
Orbit TypeAmor
MOID0.254742 AU
Observations Used50
Oppositions3
Arc Total2015-2020
First Observation Used2015-01-26
Last Observation Used2020-04-19
Observations (51)
Date Type RA Dec Mag Band Observatory
2015-01-26 11:56:44 C 08 07 04.532 +15 16 53.32 V F51
2015-01-26 12:16:31 C 08 07 03.329 +15 17 06.41 V F51
2016-12-23 10:09:12 C 05 49 57.644 -01 52 55.74 V F51
2016-12-23 10:24:57 C 05 49 56.634 -01 52 46.90 V F51
2017-01-03 08:51:31 C 05 34 51.848 +00 54 17.82 V F51
2017-01-03 09:28:26 C 05 34 49.891 +00 54 43.06 V F51
2018-07-11 13:44:17 C 23 26 05.672 +00 24 09.22 U F51
2018-07-11 13:58:48 C 23 26 07.468 +00 23 56.12 U F51
2018-07-11 14:13:24 C 23 26 09.287 +00 23 42.87 U F51
2018-07-11 14:28:04 C 23 26 11.100 +00 23 29.58 U F51
2018-07-12 07:55:15 C 23 28 26.90 +00 07 21.6 u H21
2018-07-12 08:03:44 C 23 28 27.96 +00 07 13.5 u H21
2018-07-12 08:12:48 C 23 28 29.09 +00 07 05.4 u H21
2018-07-12 09:20:31 C 23 28 37.70 +00 06 02.6 U 734
2018-07-12 09:31:52 C 23 28 39.08 +00 05 52.4 U 734
2018-07-14 00:52:35 C 23 33 44.84 -00 32 08.1 V L01
2018-07-14 01:03:11 C 23 33 46.17 -00 32 17.9 V L01
2018-07-16 01:03:00 C 23 39 59.53 -01 21 55.1 V J95
2018-07-16 01:39:16 C 23 40 04.18 -01 22 34.5 V J95
2018-07-25 14:31:01 C 00 09 38.621 -06 08 02.34 V F51
2018-08-04 14:36:48 C 00 39 38.688 -12 25 02.07 V T12
2018-08-04 14:39:03 C 00 39 38.943 -12 25 05.91 V T12
2018-08-04 14:40:32 C 00 39 39.114 -12 25 08.43 V T12
2018-08-04 14:42:42 C 00 39 39.361 -12 25 12.06 V T12
2018-08-04 14:45:27 C 00 39 39.673 -12 25 16.72 V T12
2018-08-06 12:49:24 C 00 45 10.265 -13 44 33.89 U F51
2018-08-06 13:05:17 C 00 45 12.051 -13 45 01.69 U F51
2018-08-06 13:21:08 C 00 45 13.817 -13 45 29.29 U F51
2018-09-08 05:45:52 C 01 50 52.75 -35 35 10.9 U 807
2018-09-08 05:49:18 C 01 50 52.86 -35 35 15.3 U 807
2018-09-08 05:53:13 C 01 50 52.98 -35 35 20.1 U 807
2018-10-02 08:43:34 C 01 53 59.75 -43 14 52.1 u 807
2018-10-02 08:51:26 C 01 53 59.55 -43 14 54.4 u 807
2018-10-02 08:59:19 C 01 53 59.34 -43 14 56.3 u 807
2018-10-19 02:54:48 C 01 42 52.66 -42 53 03.5 u 807
2018-10-19 03:07:50 C 01 42 52.23 -42 52 58.7 u 807
2018-10-19 03:20:25 C 01 42 51.84 -42 52 53.8 u 807
2018-10-28 04:31:50 C 01 37 25.63 -41 01 48.4 u 807
2018-10-28 04:47:51 C 01 37 25.20 -41 01 38.2 u 807
2018-10-28 05:04:50 C 01 37 24.78 -41 01 27.0 u 807
2018-12-12 02:02:46 C 01 46 52.15 -23 09 19.8 U 807
2018-12-12 02:20:20 C 01 46 52.73 -23 09 00.0 U 807
2018-12-12 02:37:18 C 01 46 53.30 -23 08 40.5 U 807
2020-04-03 14:15:32 C 15 40 30.852 +16 20 20.50 V F51
2020-04-03 14:31:46 C 15 40 30.782 +16 20 33.46 V F51
2020-04-03 14:48:03 C 15 40 30.725 +16 20 46.42 V F51
2020-04-03 15:04:22 C 15 40 30.673 +16 20 58.63 V F51
2020-04-19 14:19:17 C 15 34 26.075 +21 13 33.18 U F51
2020-04-19 14:30:24 C 15 34 25.708 +21 13 40.88 U F51
2020-04-19 14:41:29 C 15 34 25.342 +21 13 48.80 U F51