2017 HC49

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4494859932 ± 4.43e-07
Semi-major axis (a)0.8472203769 AU ± 3.53e-09
Inclination (i)29.94373070° ± 5.89e-05
Long. of Asc. Node (Ω)32.29277310° ± 1.12e-05
Arg. of Perihelion (ω)347.68931156° ± 3.81e-05
Mean Anomaly (M)201.97122488° ± 8.34e-05
Mean Motion (n)1.2639144738°/day ± 7.89e-09
Perihelion dist (q)0.46640668 AU ± 3.76e-07
Aphelion dist (Q)1.22803407 AU ± 3.76e-07
Orbital Period0.77982039 yr ± 4.87e-09
Physical Parameters
H (abs. magnitude)22.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeAten
MOID0.176015 AU
Observations Used71
Oppositions4
Arc Total2010-2024
First Observation Used2010-04-18
Last Observation Used2024-05-20
Observations (79)
Date Type RA Dec Mag Band Observatory
2017-05-04 04:51:23 C 11 36 16.70 -04 44 32.9 o 291
2017-05-04 05:04:31 C 11 36 13.13 -04 44 53.3 o 291
2017-05-22 00:00:40 C 10 22 24.11 -13 01 08.7 u 807
2017-05-22 00:14:00 C 10 22 22.60 -13 01 20.0 u 807
2017-05-22 00:26:54 C 10 22 21.21 -13 01 30.7 u 807
2024-04-07 10:14:28 C 14 27 04.18 +24 35 22.6 V 291
2024-04-07 10:16:56 C 14 27 03.38 +24 35 20.9 V 291
2024-04-07 10:21:01 C 14 27 02.02 +24 35 18.7 V 291
2024-04-09 10:45:09 C 14 11 05.31 +24 00 36.5 V 691
2024-04-09 10:57:32 C 14 11 01.08 +24 00 25.7 V 691
2024-04-09 11:09:55 C 14 10 56.81 +24 00 15.1 V 691
2024-04-13 11:14:28 C 13 37 41.09 +22 15 53.2 V 691
2024-04-13 11:22:28 C 13 37 38.24 +22 15 42.4 V 691
2024-04-13 11:30:27 C 13 37 35.40 +22 15 32.3 V 691
2024-04-16 08:15:10 C 13 13 31.233 +20 32 39.98 X F51
2024-04-16 08:41:52 C 13 13 21.778 +20 31 56.73 X F51
2024-04-16 08:58:06 C 13 13 15.936 +20 31 29.58 X F51
2024-04-16 09:14:30 C 13 13 10.082 +20 31 02.78 X F51
2024-04-18 08:01:48 C 12 57 05.03 +19 08 57.3 V 291
2024-04-18 08:18:13 C 12 56 59.33 +19 08 26.8 V 291
2024-04-18 08:34:42 C 12 56 53.62 +19 07 56.1 V 291
2024-04-27 06:01:30 C 11 53 05.849 +11 50 20.04 X F51
2024-04-27 06:19:34 C 11 53 01.132 +11 49 41.67 X F51
2024-04-27 06:37:33 C 11 52 56.438 +11 49 04.02 X F51
2024-05-12 04:01:54 C 10 49 52.94 +00 44 42.1 V 291
2024-05-12 04:16:07 C 10 49 51.29 +00 44 19.7 V 291
2024-05-20 04:03:44 C 10 32 48.14 -03 43 00.6 V 695
2024-05-20 04:30:33 C 10 32 46.17 -03 43 34.3 V 695
2024-05-20 04:57:22 C 10 32 44.24 -03 44 07.7 V 695