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
2010-04-18 11:24:33 C 14 39 45.207 -08 30 55.17 V F51
2010-04-18 11:37:47 C 14 39 40.380 -08 31 22.97 V F51
2010-05-26 06:01:51 S 09 49 48.38 -24 25 28.3 W C51
2010-05-26 13:58:14 S 09 48 47.83 -24 26 26.7 W C51
2010-05-26 15:33:24 S 09 48 35.89 -24 26 39.8 W C51
2010-05-26 20:19:05 S 09 48 00.19 -24 27 15.1 W C51
2017-03-22 13:49:38 C 16 13 06.165 +13 27 58.08 V F51
2017-04-01 14:06:20 C 15 40 16.592 +12 37 27.17 V F51
2017-04-07 13:46:39 C 15 08 35.314 +11 22 08.95 V F51
2017-04-07 13:59:53 C 15 08 31.738 +11 21 59.38 V F51
2017-04-07 14:13:09 C 15 08 28.200 +11 21 50.08 V F51
2017-04-27 07:23:39 C 12 26 54.192 +00 01 09.63 L F51
2017-04-27 07:43:23 C 12 26 47.228 +00 00 33.32 L F51
2017-04-27 08:03:10 C 12 26 40.206 -00 00 03.18 L F51
2017-04-27 08:23:02 C 12 26 33.172 -00 00 39.73 L F51
2017-04-28 08:48:06 C 12 18 17.033 -00 45 23.02 U 568
2017-04-28 08:49:34 C 12 18 16.526 -00 45 25.69 U 568
2017-04-28 08:50:59 C 12 18 16.037 -00 45 28.26 U 568
2017-04-29 05:55:58 C 12 11 21.973 -01 23 33.22 U T12
2017-04-29 05:56:57 C 12 11 21.645 -01 23 35.02 U T12
2017-04-29 05:58:00 C 12 11 21.294 -01 23 36.92 U T12
2017-04-29 05:59:21 C 12 11 20.845 -01 23 39.30 U T12
2017-04-29 06:01:30 C 12 11 20.135 -01 23 43.11 U T12
2017-04-29 23:15:46 C 12 05 49.65 -01 53 52.5 u 807
2017-04-29 23:22:28 C 12 05 47.50 -01 54 04.6 u 807
2017-04-29 23:28:05 C 12 05 45.70 -01 54 14.8 u 807
2017-04-30 03:13:09 C 12 04 34.32 -02 01 29.8 o 691
2017-04-30 03:26:54 C 12 04 29.88 -02 01 53.9 o 691
2017-04-30 03:40:36 C 12 04 25.43 -02 02 18.5 o 691
2017-04-30 04:08:39 C 12 04 16.44 -02 03 07.9 q I52
2017-04-30 04:10:45 C 12 04 15.79 -02 03 11.2 q I52
2017-04-30 04:12:50 C 12 04 15.09 -02 03 15.0 q I52
2017-04-30 04:14:57 C 12 04 14.40 -02 03 19.0 q I52
2017-05-01 03:06:37 C 11 57 12.71 -02 43 04.4 o 291
2017-05-01 03:09:38 C 11 57 11.70 -02 43 09.3 o 291
2017-05-01 03:12:35 C 11 57 10.82 -02 43 15.8 o 291
2017-05-01 04:43:32 C 11 56 42.51 -02 45 50.4 o 926
2017-05-01 04:48:51 C 11 56 40.87 -02 45 59.9 o 926
2017-05-01 04:56:02 C 11 56 38.66 -02 46 12.2 o 926
2017-05-02 03:22:48 C 11 50 01.20 -03 24 14.4 o 926
2017-05-02 03:27:23 C 11 49 59.75 -03 24 23.1 q I52
2017-05-02 03:28:18 C 11 49 59.48 -03 24 24.3 o 926
2017-05-02 03:33:59 C 11 49 57.80 -03 24 34.1 q I52
2017-05-02 03:40:37 C 11 49 55.87 -03 24 44.8 q I52
2017-05-02 03:47:19 C 11 49 53.79 -03 24 56.1 q I52
2017-05-03 04:25:49 C 11 42 54.16 -04 05 32.2 q I52
2017-05-03 04:27:55 C 11 42 53.58 -04 05 35.9 q I52
2017-05-03 04:30:01 C 11 42 52.94 -04 05 39.6 q I52
2017-05-03 04:32:07 C 11 42 52.35 -04 05 42.8 q I52
2017-05-04 04:38:17 C 11 36 20.31 -04 44 11.6 o 291