819287 (2014 HR4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2426698289 ± 5.49e-08
Semi-major axis (a)1.6954512180 AU ± 3.62e-09
Inclination (i)36.39841006° ± 9.95e-06
Long. of Asc. Node (Ω)58.55280835° ± 5.11e-06
Arg. of Perihelion (ω)67.83256877° ± 2.78e-05
Mean Anomaly (M)155.97648384° ± 1.93e-05
Mean Motion (n)0.4464618229°/day ± 1.43e-09
Perihelion dist (q)1.28401636 AU ± 9.32e-08
Aphelion dist (Q)2.10688607 AU ± 9.33e-08
Orbital Period2.20763844 yr ± 7.08e-09
Physical Parameters
H (abs. magnitude)19.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.226″
Uncertainty0
Orbit TypeAmor
MOID0.441758 AU
Observations Used121
Oppositions6
Arc Total2014-2025
First Observation Used2014-04-22
Last Observation Used2025-05-28
Observations (135)
Date Type RA Dec Mag Band Observatory
2014-05-22 09:52:53 C 15 06 36.488 -11 40 14.60 L F51
2014-05-22 10:12:46 C 15 06 34.294 -11 40 37.47 L F51
2014-05-22 10:32:07 C 15 06 32.162 -11 40 59.92 L F51
2014-05-22 10:51:28 C 15 06 30.044 -11 41 22.42 L F51
2014-05-26 23:42:18 C 14 55 21.584 -13 44 04.24 t J04
2014-05-27 00:04:21 C 14 55 19.349 -13 44 28.53 t J04
2014-05-27 08:14:21 C 14 54 31.926 -13 53 21.21 L F51
2014-05-27 08:46:17 C 14 54 28.741 -13 53 55.97 L F51
2014-05-27 09:02:17 C 14 54 27.134 -13 54 13.49 L F51
2014-05-29 08:53:58 C 14 49 55.959 -14 45 27.87 L F51
2014-05-29 09:09:29 C 14 49 54.504 -14 45 43.96 L F51
2014-06-22 09:25:33 C 14 15 26.35 -22 59 47.9 t 474
2014-06-22 09:35:41 C 14 15 26.09 -22 59 55.6 t 474
2014-06-22 09:45:49 C 14 15 25.79 -23 00 02.1 t 474
2015-10-08 04:12:22 C 05 46 10.01 +10 04 46.4 t J04
2015-10-08 04:23:13 C 05 46 10.48 +10 04 56.8 t J04
2015-10-08 04:34:05 C 05 46 11.04 +10 05 07.4 t J04
2015-10-09 04:41:04 C 05 47 21.50 +10 28 18.6 t J04
2015-10-09 04:46:31 C 05 47 21.68 +10 28 24.3 t J04
2015-10-09 04:51:59 C 05 47 21.94 +10 28 29.6 t J04
2015-11-22 09:23:22 C 06 03 58.98 +46 10 19.9 q H45
2015-11-22 09:25:14 C 06 03 58.92 +46 10 25.5 q H45
2015-11-22 09:27:10 C 06 03 58.82 +46 10 38.1 q H45
2015-11-22 09:29:27 C 06 03 58.66 +46 10 39.2 q H45
2015-11-22 09:32:29 C 06 03 58.44 +46 10 49.4 q H45
2015-11-22 09:33:44 C 06 03 58.42 +46 10 53.3 q H45
2015-11-22 09:35:11 C 06 03 58.35 +46 10 58.8 q H45
2015-11-22 09:36:52 C 06 03 58.19 +46 11 03.7 q H45
2015-11-30 07:41:00 C 05 48 47.36 +56 40 42.8 t 705
2015-11-30 07:42:27 C 05 48 47.18 +56 40 47.8 t 705
2015-11-30 07:43:54 C 05 48 46.95 +56 40 52.8 t 705
2015-12-03 07:47:10 C 05 39 06.29 +60 34 05.4 q H45
2015-12-03 07:48:57 C 05 39 05.99 +60 34 11.3 q H45
2015-12-03 07:50:26 C 05 39 05.83 +60 34 15.8 q H45
2015-12-03 07:51:43 C 05 39 05.59 +60 34 20.1 q H45
2015-12-03 07:53:10 C 05 39 05.37 +60 34 24.8 q H45
2015-12-03 07:54:34 C 05 39 05.16 +60 34 29.0 q H45
2017-11-09 07:03:23 C 01 30 00.866 -32 47 40.01 L F51
2017-11-09 07:17:37 C 01 29 59.484 -32 47 23.71 L F51
2017-11-09 07:31:52 C 01 29 58.087 -32 47 07.56 L F51
2024-12-27 12:34:25 C 14 39 59.774 +31 58 21.14 V V06
2024-12-27 12:38:15 C 14 40 00.282 +31 58 19.06 V V06
2025-01-01 12:39:16 C 14 55 18.221 +31 04 52.97 V G96
2025-01-01 13:01:49 C 14 55 20.788 +31 04 40.55 V G96
2025-02-16 09:49:21 C 16 29 13.970 +24 53 04.00 V 291
2025-02-16 10:44:18 C 16 29 16.550 +24 52 52.30 V 291
2025-04-02 11:29:47 C 16 32 09.798 +20 24 23.25 X F52
2025-04-02 11:47:11 C 16 32 08.783 +20 24 15.71 X F52
2025-04-02 12:04:35 C 16 32 07.777 +20 24 08.96 X F52
2025-04-02 12:21:57 C 16 32 06.775 +20 24 01.03 X F52