2017 HL49

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4788206629 ± 4.30e-04
Semi-major axis (a)2.4092801918 AU ± 1.99e-03
Inclination (i)2.76012101° ± 1.74e-03
Long. of Asc. Node (Ω)178.45280734° ± 6.98e-03
Arg. of Perihelion (ω)37.08286458° ± 9.57e-03
Mean Anomaly (M)103.73640964° ± 1.06e+00
Mean Motion (n)0.2635610998°/day ± 3.26e-04
Perihelion dist (q)1.25566705 AU ± 1.47e-03
Aphelion dist (Q)3.56289333 AU ± 3.12e-03
Orbital Period3.73965006 yr ± 4.63e-03
Physical Parameters
H (abs. magnitude)23.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.309″
Uncertainty4
Orbit TypeAmor
MOID0.251053 AU
Observations Used21
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-27
Last Observation Used2017-05-22
Observations (21)
Date Type RA Dec Mag Band Observatory
2017-04-27 11:20:55 C 15 29 49.518 -10 09 00.88 L F51
2017-04-27 11:41:47 C 15 29 50.602 -10 08 57.62 L F51
2017-04-27 12:02:44 C 15 29 51.686 -10 08 53.91 L F51
2017-04-27 12:23:36 C 15 29 52.762 -10 08 50.49 L F51
2017-04-28 09:49:50 C 15 31 11.375 -10 05 17.84 U 568
2017-04-28 09:51:17 C 15 31 11.450 -10 05 17.66 U 568
2017-04-28 09:52:42 C 15 31 11.522 -10 05 17.42 U 568
2017-04-30 07:00:21 C 15 33 48.85 -09 58 15.8 o 926
2017-04-30 07:01:37 C 15 33 48.89 -09 58 16.6 o 291
2017-04-30 07:07:30 C 15 33 49.21 -09 58 15.1 o 291
2017-04-30 07:11:30 C 15 33 49.42 -09 58 14.9 o 926
2017-04-30 07:13:22 C 15 33 49.49 -09 58 14.5 o 291
2017-04-30 07:24:29 C 15 33 50.01 -09 58 13.2 o 926
2017-05-01 14:54:33 C 15 35 34.82 -09 52 54.9 c 474
2017-05-01 15:04:38 C 15 35 35.25 -09 52 52.3 c 474
2017-05-17 08:09:25 C 15 52 41.83 -09 27 48.2 t 705
2017-05-17 08:10:52 C 15 52 41.86 -09 27 48.4 t 705
2017-05-17 08:12:20 C 15 52 41.92 -09 27 48.3 t 705
2017-05-22 06:10:21 C 15 56 49.48 -09 33 41.3 u H21
2017-05-22 06:26:08 C 15 56 49.91 -09 33 42.6 u H21
2017-05-22 06:45:06 C 15 56 50.41 -09 33 44.2 u H21