2018 WR1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6461491951 ± 2.16e-06
Semi-major axis (a)2.2521444429 AU ± 1.14e-05
Inclination (i)15.17228858° ± 4.83e-05
Long. of Asc. Node (Ω)274.58481488° ± 2.92e-05
Arg. of Perihelion (ω)244.84786791° ± 4.60e-05
Mean Anomaly (M)0.20919296° ± 5.53e-03
Mean Motion (n)0.2916204091°/day ± 2.21e-06
Perihelion dist (q)0.79692312 AU ± 6.31e-06
Aphelion dist (Q)3.70736576 AU ± 1.94e-05
Orbital Period3.37982615 yr ± 2.57e-05
Physical Parameters
H (abs. magnitude)20.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.275″
Uncertainty1
Orbit TypeApollo
MOID0.022665 AU
Observations Used169
Oppositions1
Arc Total2018-2019
First Observation Used2018-11-27
Last Observation Used2019-05-31
Observations (183)
Date Type RA Dec Mag Band Observatory
2018-12-10 01:22:53 C 03 40 55.29 +43 24 14.8 V G40
2018-12-10 01:33:12 C 03 40 53.69 +43 24 02.7 V G40
2018-12-10 01:42:33 C 03 40 52.27 +43 23 52.1 V G40
2018-12-10 01:52:35 C 03 40 50.75 +43 23 40.8 V G40
2018-12-11 01:47:47 C 03 37 18.44 +42 56 08.3 V G40
2018-12-11 02:13:26 C 03 37 14.37 +42 55 36.6 V G40
2018-12-11 02:33:18 C 03 37 11.28 +42 55 11.5 V G40
2018-12-11 05:24:17 C 03 36 46.76 +42 51 45.0 q H45
2018-12-11 05:26:22 C 03 36 46.44 +42 51 42.8 q H45
2018-12-11 05:28:04 C 03 36 46.23 +42 51 41.1 q H45
2018-12-11 05:30:28 C 03 36 45.82 +42 51 37.8 q H45
2018-12-11 05:32:03 C 03 36 45.60 +42 51 36.1 q H45
2018-12-11 05:34:10 C 03 36 45.26 +42 51 33.3 q H45
2018-12-15 02:06:28 C 03 22 07.08 +40 36 05.3 V 204
2018-12-15 02:12:01 C 03 22 06.17 +40 35 55.3 V 204
2018-12-15 02:17:56 C 03 22 05.15 +40 35 44.8 V 204
2018-12-15 08:39:12 C 03 21 03.727 +40 25 08.31 U F51
2018-12-15 08:56:17 C 03 21 00.678 +40 24 37.98 U F51
2018-12-15 09:12:16 C 03 20 57.833 +40 24 09.49 U F51
2018-12-15 17:13:47 C 03 19 40.15 +40 09 26.7 V K38
2018-12-15 17:28:15 C 03 19 37.64 +40 09 01.3 V K38
2018-12-15 17:46:53 C 03 19 34.41 +40 08 28.9 V K38
2018-12-17 07:29:40 C 03 13 08.155 +38 55 41.29 U F51
2018-12-17 08:02:17 C 03 13 02.096 +38 54 33.99 U F51
2018-12-17 08:18:38 C 03 12 59.054 +38 53 59.88 U F51
2018-12-18 04:14:59 C 03 09 30.19 +38 11 02.2 17.9 q H21
2018-12-18 04:20:35 C 03 09 29.15 +38 10 49.7 17.9 q H21
2018-12-18 04:28:04 C 03 09 27.76 +38 10 33.0 17.9 q H21
2018-12-18 04:35:33 C 03 09 26.37 +38 10 16.2 17.9 q H21
2018-12-18 04:42:50 C 03 09 25.01 +38 09 59.8 17.8 q H21
2018-12-19 03:49:22 C 03 05 19.57 +37 16 40.8 u H21
2018-12-19 03:53:42 C 03 05 18.74 +37 16 30.3 u H21
2018-12-19 03:57:51 C 03 05 17.97 +37 16 20.5 u H21
2018-12-24 08:32:07 C 02 41 57.676 +31 08 39.86 U F51
2018-12-24 08:47:42 C 02 41 54.371 +31 07 43.80 U F51
2018-12-24 09:18:54 C 02 41 47.898 +31 05 50.04 U F51
2018-12-24 19:03:43 C 02 39 55.12 +30 30 05.5 o K88
2018-12-24 19:07:42 C 02 39 54.30 +30 29 50.4 o K88
2018-12-24 19:11:40 C 02 39 53.46 +30 29 36.2 o K88
2018-12-24 19:13:00 C 02 39 53.17 +30 29 30.5 o K88
2018-12-24 19:18:19 C 02 39 52.10 +30 29 10.9 o K88
2018-12-24 20:33:15 C 02 39 37.37 +30 24 30.2 V Z80
2018-12-24 20:38:11 C 02 39 36.35 +30 24 12.2 V Z80
2018-12-24 20:43:11 C 02 39 35.35 +30 23 52.8 V Z80
2018-12-24 20:48:16 C 02 39 34.21 +30 23 34.5 V Z80
2018-12-25 20:27:57 C 02 34 51.49 +28 52 32.0 q 160
2018-12-25 20:31:51 C 02 34 50.66 +28 52 16.3 q 160
2018-12-25 20:35:43 C 02 34 49.85 +28 52 00.6 q 160
2018-12-26 20:17:15 C 02 30 02.49 +27 13 52.9 q 160
2018-12-26 20:21:11 C 02 30 01.63 +27 13 35.9 q 160