2007 HL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0907008973 ± 6.48e-08
Semi-major axis (a)1.1201095242 AU ± 2.95e-09
Inclination (i)6.53781523° ± 7.52e-06
Long. of Asc. Node (Ω)30.96443299° ± 5.78e-06
Arg. of Perihelion (ω)139.34404868° ± 5.17e-05
Mean Anomaly (M)287.56725127° ± 4.36e-05
Mean Motion (n)0.8314220557°/day ± 3.28e-09
Perihelion dist (q)1.01851459 AU ± 7.27e-08
Aphelion dist (Q)1.22170446 AU ± 7.27e-08
Orbital Period1.18547046 yr ± 4.68e-09
Physical Parameters
H (abs. magnitude)24.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.032436 AU
Observations Used66
Oppositions2
Arc Total2007-2020
First Observation Used2007-04-19
Last Observation Used2020-04-26
Observations (72)
Date Type RA Dec Mag Band Observatory
2020-04-21 19:51:17 C 10 08 42.90 +16 00 22.3 V 033
2020-04-21 19:53:56 C 10 08 43.16 +16 00 08.2 V 033
2020-04-21 19:56:28 C 10 08 43.09 +15 59 58.3 V 246
2020-04-21 19:57:06 C 10 08 43.16 +15 59 55.8 V 246
2020-04-21 19:57:26 C 10 08 43.19 +15 59 54.0 V 246
2020-04-21 19:57:48 C 10 08 43.19 +15 59 52.8 V 246
2020-04-21 19:58:50 C 10 08 43.33 +15 59 46.9 V 246
2020-04-21 20:00:14 C 10 08 43.41 +15 59 38.8 V 246
2020-04-21 21:37:38 C 10 08 53.37 +15 51 05.4 V J95
2020-04-21 21:43:29 C 10 08 53.84 +15 50 35.1 V J95
2020-04-21 21:49:25 C 10 08 54.43 +15 50 03.7 V J95
2020-04-22 01:44:08 C 10 09 23.02 +15 30 04.8 u H21
2020-04-22 01:48:19 C 10 09 23.37 +15 29 42.9 u H21
2020-04-22 01:52:21 C 10 09 23.68 +15 29 21.6 u H21
2020-04-22 01:55:17 C 10 09 23.91 +15 29 06.3 u H21
2020-04-22 03:55:28 C 10 09 36.18 +15 18 55.0 V I52
2020-04-22 03:56:35 C 10 09 36.24 +15 18 48.7 V I52
2020-04-22 03:57:42 C 10 09 36.34 +15 18 43.3 V I52
2020-04-22 03:58:48 C 10 09 36.42 +15 18 37.5 V I52
2020-04-26 06:03:27 C 10 20 22.023 +07 01 37.81 U F52
2020-04-26 06:39:12 C 10 20 24.685 +06 58 42.50 U F52
2020-04-26 06:57:12 C 10 20 26.031 +06 57 14.87 U F52