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
2025-04-20 06:57:17 C 15 57 20.14 +15 48 11.9 X W84
2025-04-20 07:11:48 C 15 57 18.60 +15 47 59.0 X W84
2025-04-20 07:55:04 C 15 57 13.92 +15 47 20.1 X W84
2025-04-24 08:58:21 C 15 46 36.088 +14 13 09.98 V G96
2025-04-24 09:05:44 C 15 46 35.238 +14 13 02.39 V G96
2025-04-24 09:13:07 C 15 46 34.370 +14 12 54.90 V G96
2025-04-24 09:20:29 C 15 46 33.514 +14 12 47.45 V G96
2025-04-30 04:59:19 C 15 30 12.569 +11 36 02.09 U I41
2025-04-30 06:32:43 C 15 30 01.159 +11 34 09.70 U I41
2025-04-30 09:44:20 C 15 29 37.550 +11 30 18.22 U I41
2025-04-30 09:45:40 C 15 29 37.411 +11 30 16.42 U I41
2025-05-02 09:05:02 C 15 23 55.942 +10 31 40.43 X F52
2025-05-02 09:22:30 C 15 23 53.782 +10 31 18.40 X F52
2025-05-02 09:57:27 C 15 23 49.439 +10 30 34.34 X F52
2025-05-04 08:09:57 C 15 18 14.173 +09 31 00.37 V G96
2025-05-04 08:21:29 C 15 18 12.744 +09 30 45.76 V G96
2025-05-04 08:29:37 C 15 18 11.747 +09 30 35.06 V G96
2025-05-04 08:37:46 C 15 18 10.732 +09 30 24.30 V G96
2025-05-08 08:45:29 C 15 06 39.697 +07 20 45.35 V G96
2025-05-08 08:53:30 C 15 06 38.747 +07 20 34.30 V G96
2025-05-08 09:01:29 C 15 06 37.800 +07 20 23.75 V G96
2025-05-21 06:50:40 C 14 33 07.560 -00 00 02.66 V G96
2025-05-21 06:58:07 C 14 33 06.829 -00 00 13.18 V G96
2025-05-21 07:05:35 C 14 33 06.120 -00 00 23.83 V G96
2025-05-21 07:13:02 C 14 33 05.411 -00 00 34.06 V G96
2025-05-21 16:33:39 C 14 32 12.892 -00 13 45.42 W O18
2025-05-21 17:25:32 C 14 32 07.879 -00 14 58.75 W O18
2025-05-22 16:34:53 C 14 29 59.972 -00 47 28.08 W O18
2025-05-22 17:27:52 C 14 29 54.991 -00 48 42.25 W O18
2025-05-23 16:31:54 C 14 27 51.210 -01 20 50.20 W O18
2025-05-23 17:31:39 C 14 27 45.757 -01 22 13.48 W O18
2025-05-28 03:56:41 C 14 19 02.114 -03 46 52.97 V G96
2025-05-28 04:08:20 C 14 19 01.146 -03 47 09.17 V G96
2025-05-28 04:16:29 C 14 19 00.523 -03 47 19.36 V G96
2025-05-28 04:24:38 C 14 18 59.886 -03 47 31.13 V G96