2019 WR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3196834000
Semi-major axis (a)1.4780691000 AU
Inclination (i)0.96640000°
Long. of Asc. Node (Ω)102.06981000°
Arg. of Perihelion (ω)8.78827000°
Mean Anomaly (M)94.73725000°
Mean Motion (n)0.5484814700°/day
Perihelion dist (q)1.00555490 AU
Aphelion dist (Q)1.95058330 AU
Orbital Period1.79697530 yr
Physical Parameters
H (abs. magnitude)26.04
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.890″
Uncertainty5
Orbit TypeAmor
MOID0.021908 AU
Observations Used66
Oppositions1
Arc Total
First Observation Used
Last Observation Used2020-02-18
Observations (70)
Date Type RA Dec Mag Band Observatory
2020-01-03 12:12:33 C 09 41 08.64 +14 39 57.8 V I52
2020-01-03 12:55:19 C 09 41 37.16 +14 38 25.9 o 691
2020-01-03 13:03:48 C 09 41 42.80 +14 38 06.7 o 691
2020-01-03 13:12:03 C 09 41 48.32 +14 37 48.2 o 691
2020-01-05 13:18:33 C 10 14 26.53 +12 56 04.7 o 291
2020-01-05 13:19:49 C 10 14 27.25 +12 56 01.8 o 291
2020-01-05 13:21:02 C 10 14 27.97 +12 55 58.8 o 291
2020-01-06 07:37:24 C 10 26 03.45 +12 17 00.7 o 691
2020-01-06 08:03:33 C 10 26 17.85 +12 16 09.0 o 691
2020-01-06 08:19:15 C 10 26 26.22 +12 15 36.6 V G96
2020-01-06 08:26:39 C 10 26 30.23 +12 15 21.6 V G96
2020-01-06 08:29:44 C 10 26 32.07 +12 15 16.9 o 691
2020-01-06 08:34:03 C 10 26 34.22 +12 15 06.5 V G96
2020-01-06 08:41:27 C 10 26 38.24 +12 14 51.9 V G96
2020-01-22 15:08:07 C 12 30 03.861 +03 32 17.35 U F52
2020-01-22 15:27:38 C 12 30 05.825 +03 32 04.52 U F52
2020-01-22 15:47:07 C 12 30 07.824 +03 31 51.91 U F52
2020-02-18 11:30:02 C 12 57 22.34 +01 33 45.3 o 291
2020-02-18 11:51:35 C 12 57 21.54 +01 33 47.7 o 291
2020-02-18 12:13:13 C 12 57 20.78 +01 33 49.0 o 291