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
2007-04-19 09:19:30 C 16 20 12.98 -18 44 52.0 r G96
2007-04-19 09:28:20 C 16 20 11.86 -18 45 50.8 r G96
2007-04-19 09:37:03 C 16 20 10.75 -18 46 48.9 r G96
2007-04-19 09:45:56 C 16 20 09.63 -18 47 47.7 r G96
2007-04-19 10:41:33 C 16 20 02.47 -18 53 55.8 r G96
2007-04-19 10:42:10 C 16 20 02.40 -18 53 59.4 r G96
2007-04-19 10:42:46 C 16 20 02.32 -18 54 03.6 r G96
2007-04-19 10:43:21 C 16 20 02.25 -18 54 07.5 r G96
2007-04-19 11:32:07 C 16 19 56.10 -18 59 26.8 r G96
2007-04-19 11:32:43 C 16 19 56.02 -18 59 31.0 r G96
2007-04-19 11:33:19 C 16 19 55.95 -18 59 34.5 r G96
2007-04-19 11:33:57 C 16 19 55.88 -18 59 38.4 r G96
2007-04-19 23:20:21 C 16 19 12.64 -20 17 43.4 c 595
2007-04-19 23:39:46 C 16 19 10.29 -20 19 53.4 c 595
2007-04-20 02:42:34 C 16 18 50.80 -20 40 07.9 r J95
2007-04-20 02:54:11 C 16 18 49.35 -20 41 23.4 r J95
2007-04-20 07:00:29 C 16 18 35.81 -21 07 53.1 r H36
2007-04-20 07:09:59 C 16 18 34.76 -21 08 54.9 r H36
2007-04-20 07:18:46 C 16 18 33.66 -21 09 54.1 r H36
2007-04-20 07:35:20 C 16 18 34.80 -21 11 23.2 c 854
2007-04-20 07:42:08 C 16 18 33.91 -21 12 08.4 c 854
2007-04-20 07:48:56 C 16 18 33.15 -21 12 53.8 c 854
2007-04-20 10:54:46 C 16 18 08.42 -21 33 14.2 r G96
2007-04-20 10:55:23 C 16 18 08.35 -21 33 17.9 r G96
2007-04-20 10:55:58 C 16 18 08.24 -21 33 21.9 r G96
2007-04-20 10:56:34 C 16 18 08.17 -21 33 25.3 r G96
2007-04-22 09:46:02 C 16 14 09.01 -26 32 23.6 19.3 c 704
2007-04-22 09:59:24 C 16 14 07.18 -26 33 47.4 20.0 c 704
2007-04-22 10:13:09 C 16 14 05.12 -26 35 11.3 19.9 c 704
2007-04-22 10:26:23 C 16 14 03.13 -26 36 32.7 20.0 c 704
2007-04-22 10:39:37 C 16 14 01.49 -26 37 55.1 20.0 c 704
2019-12-04 12:24:02 C 07 23 47.488 +53 48 27.66 V F52
2019-12-04 12:44:35 C 07 23 48.161 +53 49 10.04 V F52
2019-12-04 13:05:08 C 07 23 48.827 +53 49 52.72 V F52
2019-12-04 13:25:40 C 07 23 49.495 +53 50 34.58 V F52
2020-01-26 06:07:06 C 05 07 32.430 +83 48 50.56 V F51
2020-01-26 06:26:41 C 05 07 24.199 +83 48 53.28 V F51
2020-01-26 06:46:16 C 05 07 16.195 +83 48 56.51 V F51
2020-04-21 04:55:50 C 10 07 02.21 +17 19 06.9 V G96
2020-04-21 05:03:14 C 10 07 02.77 +17 18 27.7 V G96
2020-04-21 05:10:38 C 10 07 03.36 +17 17 48.4 V G96
2020-04-21 05:18:01 C 10 07 03.95 +17 17 09.2 V G96
2020-04-21 08:03:50 C 10 07 18.51 +17 02 22.6 V I52
2020-04-21 08:05:34 C 10 07 18.71 +17 02 13.5 V I52
2020-04-21 08:07:18 C 10 07 18.89 +17 02 04.2 V I52
2020-04-21 19:18:51 C 10 08 39.93 +16 03 23.2 V L01
2020-04-21 19:21:23 C 10 08 40.15 +16 03 09.6 V L01
2020-04-21 19:24:33 C 10 08 40.46 +16 02 52.8 V L01
2020-04-21 19:46:28 C 10 08 42.52 +16 00 47.2 V 033
2020-04-21 19:48:53 C 10 08 42.73 +16 00 34.6 V 033