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
2018-12-26 20:25:07 C 02 30 00.77 +27 13 18.8 q 160
2018-12-27 07:51:26 C 02 27 39.65 +26 23 40.2 V T05
2018-12-27 08:04:47 C 02 27 36.72 +26 22 40.9 V T05
2018-12-27 08:20:20 C 02 27 33.32 +26 21 31.0 V T05
2018-12-27 08:21:00 C 02 27 33.17 +26 21 28.1 V T05
2018-12-30 06:45:06 C 02 12 40.03 +20 33 28.6 o 291
2018-12-30 06:48:14 C 02 12 39.28 +20 33 11.7 o 291
2018-12-30 06:51:21 C 02 12 38.62 +20 32 54.3 o 291
2018-12-30 19:17:13 C 02 09 58.61 +19 23 53.5 q 160
2018-12-30 19:21:20 C 02 09 57.63 +19 23 30.0 q 160
2018-12-30 19:25:28 C 02 09 56.67 +19 23 06.7 q 160
2018-12-31 03:42:53 C 02 08 07.01 +18 35 58.9 o 691
2018-12-31 03:51:27 C 02 08 04.98 +18 35 09.0 o 691
2018-12-31 04:00:02 C 02 08 02.98 +18 34 19.4 o 691
2018-12-31 07:36:01 C 02 07 14.56 +18 13 36.4 V T05
2018-12-31 07:49:04 C 02 07 11.48 +18 12 19.4 V T05
2018-12-31 08:01:52 C 02 07 08.46 +18 11 04.3 V T05
2018-12-31 08:14:37 C 02 07 05.45 +18 09 50.1 V T05
2018-12-31 19:29:49 C 02 04 36.81 +17 02 46.6 q 160
2018-12-31 19:33:51 C 02 04 35.89 +17 02 22.3 q 160
2018-12-31 19:37:53 C 02 04 34.91 +17 01 57.6 q 160
2019-01-01 14:56:58 S 02 00 13.91 +15 03 09.4 L C51
2019-01-01 18:05:18 S 01 59 31.02 +14 43 14.6 L C51
2019-01-01 19:15:55 C 01 59 14.73 +14 35 19.2 q 160
2019-01-01 19:19:57 C 01 59 13.77 +14 34 53.2 q 160
2019-01-01 19:24:01 C 01 59 12.79 +14 34 27.6 q 160
2019-01-01 19:39:33 S 01 59 09.50 +14 33 13.0 L C51
2019-01-02 07:13:58 C 01 56 28.78 +13 18 04.9 V T08
2019-01-02 07:26:40 C 01 56 25.66 +13 16 40.5 V T08
2019-01-02 07:39:03 C 01 56 22.58 +13 15 20.0 V T08
2019-01-02 07:51:27 C 01 56 19.59 +13 13 57.2 V T08
2019-01-02 19:45:32 C 01 53 35.04 +11 54 01.5 q 160
2019-01-02 19:49:30 C 01 53 33.94 +11 53 34.9 q 160
2019-01-02 19:53:30 C 01 53 32.92 +11 53 08.4 q 160
2019-01-03 06:39:35 C 01 51 01.225 +10 39 37.41 U F51
2019-01-03 06:58:49 C 01 50 56.361 +10 37 23.47 U F51
2019-01-03 07:18:05 C 01 50 51.502 +10 35 09.12 U F51
2019-01-03 07:21:37 C 01 50 50.59 +10 34 44.5 V T05
2019-01-03 07:33:51 C 01 50 47.52 +10 33 19.1 V T05
2019-01-03 07:37:24 C 01 50 46.644 +10 32 54.25 U F51
2019-01-03 07:43:14 C 01 50 45.21 +10 32 12.9 V T05
2019-01-03 07:45:22 C 01 50 44.64 +10 31 58.5 V T05
2019-01-03 07:55:39 C 01 50 42.07 +10 30 46.8 V T05
2019-01-03 07:57:40 C 01 50 41.54 +10 30 32.3 V T05
2019-01-03 08:07:25 C 01 50 39.10 +10 29 23.8 V T05
2019-01-03 08:19:47 C 01 50 36.02 +10 27 57.8 V T05
2019-01-03 19:53:03 C 01 47 52.69 +09 06 00.9 q 160
2019-01-03 19:56:39 C 01 47 51.77 +09 05 35.4 q 160
2019-01-03 20:00:15 C 01 47 50.84 +09 05 09.9 q 160
2019-01-05 06:45:57 C 01 39 22.38 +04 48 04.2 V T08