2020 HE4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1621683000 ± 2.00e+00
Semi-major axis (a)1.2932396000 AU ± 3.00e+00
Inclination (i)14.54984000° ± 4.00e+00
Long. of Asc. Node (Ω)212.63867000° ± 5.00e+00
Arg. of Perihelion (ω)66.57011000° ± 6.00e+00
Mean Anomaly (M)233.08497000°
Mean Motion (n)0.6701709600°/day ± 2.33e+00
Perihelion dist (q)1.08351710 AU ± 3.61e+00
Aphelion dist (Q)1.50296210 AU ± 4.34e+00
Orbital Period1.47068100 yr ± 5.12e+00
Physical Parameters
H (abs. magnitude)23.75
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.460″
Uncertainty6
Orbit TypeAmor
MOID0.151169 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2020-05-13
Observations (28)
Date Type RA Dec Mag Band Observatory
2020-04-16 08:41:30 C 12 49 45.974 -17 42 21.89 V F52
2020-04-16 08:57:34 C 12 49 45.550 -17 41 36.79 V F52
2020-04-16 09:13:34 C 12 49 45.095 -17 40 51.92 V F52
2020-04-21 07:32:13 C 12 48 25.705 -11 46 55.85 U F52
2020-04-21 07:47:14 C 12 48 25.418 -11 46 08.49 U F52
2020-04-21 08:02:18 C 12 48 25.123 -11 45 21.32 U F52
2020-04-22 03:37:15 C 12 48 16.48 -10 43 12.8 u H21
2020-04-22 03:44:05 C 12 48 16.36 -10 42 50.6 u H21
2020-04-22 03:50:13 C 12 48 16.24 -10 42 31.3 u H21
2020-04-22 08:09:14 C 12 48 14.928 -10 28 27.97 U F51
2020-04-22 08:42:28 C 12 48 14.312 -10 26 41.19 U F51
2020-04-22 08:59:03 C 12 48 14.007 -10 25 47.74 U F51
2020-04-22 21:25:29 C 12 48 09.95 -09 45 53.6 V 033
2020-04-22 21:30:13 C 12 48 09.85 -09 45 38.3 V 033
2020-04-22 21:34:58 C 12 48 09.82 -09 45 23.0 V 033
2020-04-22 22:49:30 C 12 48 08.68 -09 41 18.5 V L01
2020-04-22 22:54:00 C 12 48 08.60 -09 41 03.6 V L01
2020-04-22 22:59:39 C 12 48 08.48 -09 40 45.7 V L01
2020-04-23 05:42:07 C 12 48 07.53 -09 18 50.1 V I52
2020-04-23 05:46:32 C 12 48 07.44 -09 18 35.5 V I52
2020-04-23 05:50:57 C 12 48 07.37 -09 18 21.1 V I52
2020-04-26 06:22:48 C 12 48 00.13 -05 17 54.7 V G96
2020-04-26 06:30:16 C 12 48 00.12 -05 17 29.9 V G96
2020-04-26 06:37:44 C 12 48 00.11 -05 17 05.0 V G96
2020-04-26 06:45:11 C 12 47 59.96 -05 16 39.8 V G96
2020-05-13 08:21:07 C 12 56 55.69 +16 26 10.0 V V06
2020-05-13 08:26:50 C 12 56 55.89 +16 26 25.4 V V06
2020-05-13 08:32:32 C 12 56 56.05 +16 26 40.5 V V06