2021 LH4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4301045000
Semi-major axis (a)1.7621686000 AU
Inclination (i)1.15122000°
Long. of Asc. Node (Ω)306.45633000°
Arg. of Perihelion (ω)261.78186000°
Mean Anomaly (M)343.20873000°
Mean Motion (n)0.4213402000°/day
Perihelion dist (q)1.00425200 AU
Aphelion dist (Q)2.52008520 AU
Orbital Period2.33922060 yr
Physical Parameters
H (abs. magnitude)24.61
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.880″
Uncertainty7
Orbit TypeAmor
MOID0.019789 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-06-12
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-06-09 06:40:54 C 14 50 42.168 -25 46 28.12 U F51
2021-06-09 06:56:24 C 14 50 47.548 -25 46 36.73 U F51
2021-06-09 07:11:56 C 14 50 52.951 -25 46 45.49 U F51
2021-06-09 23:54:04 C 14 56 58.41 -25 53 33.2 u 807
2021-06-10 00:03:33 C 14 57 01.56 -25 53 37.5 u 807
2021-06-10 00:12:54 C 14 57 04.75 -25 53 42.1 u 807
2021-06-11 03:29:13 C 15 06 25.53 -26 05 16.3 u H21
2021-06-11 03:34:03 C 15 06 27.06 -26 05 18.2 u H21
2021-06-11 03:36:43 C 15 06 27.86 -26 05 18.9 u H21
2021-06-11 05:29:24 C 15 07 01.97 -26 04 35.3 u 807
2021-06-11 05:38:17 C 15 07 04.80 -26 04 37.6 u 807
2021-06-11 05:47:17 C 15 07 07.66 -26 04 39.3 u 807
2021-06-11 06:34:46 C 15 07 28.989 -26 05 58.64 V 568
2021-06-11 06:35:54 C 15 07 25.64 -26 06 09.3 V I52
2021-06-11 06:36:10 C 15 07 29.419 -26 05 59.14 V 568
2021-06-11 06:37:35 C 15 07 29.848 -26 05 59.67 V 568
2021-06-11 06:42:02 C 15 07 27.53 -26 06 10.9 V I52
2021-06-11 06:48:09 C 15 07 29.47 -26 06 12.7 V I52
2021-06-11 06:54:16 C 15 07 31.36 -26 06 14.3 V I52
2021-06-12 05:15:05 C 15 14 44.76 -26 12 18.4 V I52
2021-06-12 05:19:55 C 15 14 46.16 -26 12 19.7 V I52
2021-06-12 05:24:45 C 15 14 47.63 -26 12 20.0 V I52