IAA RAS IAA Minor Planet Database

2017 HP49

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4366100892 ± 5.58e-06
Semi-major axis (a)1.6919854597 AU ± 1.57e-05
Inclination (i)6.12359440° ± 5.52e-05
Long. of Asc. Node (Ω)76.17891701° ± 4.54e-05
Arg. of Perihelion (ω)214.15608054° ± 5.05e-05
Mean Anomaly (M)292.30413665° ± 1.92e-02
Mean Motion (n)0.4478342823°/day ± 6.22e-06
Perihelion dist (q)0.95324754 AU ± 1.29e-05
Aphelion dist (Q)2.43072338 AU ± 2.44e-05
Orbital Period2.20087278 yr ± 3.06e-05
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.308″
Uncertainty2
Orbit TypeApollo
MOID0.004759 AU
Observations Used54
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-27
Last Observation Used2017-10-29
Observations (65)
Date Type RA Dec Mag Band Observatory
2017-05-17 07:45:33 C 18 10 24.16 -00 23 49.8 – u 926
2017-05-19 07:30:14 C 18 37 00.15 -00 45 30.3 – u 926
2017-05-19 07:34:01 C 18 37 02.42 -00 45 32.3 – u 926
2017-05-19 07:37:46 C 18 37 04.66 -00 45 33.6 – u 926
2017-05-20 10:23:56 C 18 54 13.84 -01 00 36.0 – q I52
2017-05-20 10:25:45 C 18 54 15.07 -01 00 37.0 – q I52
2017-05-29 09:03:57 C 22 01 16.73 -03 32 54.5 – q I52
2017-05-29 09:04:33 C 22 01 17.26 -03 32 55.1 – q I52
2017-05-30 23:30:55 S 22 34 28.72 -03 49 43.3 – L C51
2017-05-31 02:39:36 S 22 37 04.32 -03 50 54.2 – L C51
2017-05-31 04:13:51 S 22 38 21.68 -03 51 30.7 – L C51
2017-05-31 07:22:32 S 22 40 55.16 -03 52 35.6 – L C51
2017-10-29 10:10:03 C 02 25 19.40 +02 41 04.0 – o 695
2017-10-29 10:19:22 C 02 25 18.64 +02 41 04.9 – o 695
2017-10-29 10:28:41 C 02 25 17.88 +02 41 06.2 – o 695