1998 QH28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5554492737 ± 2.00e+00
Semi-major axis (a)2.5736408875 AU ± 3.00e+00
Inclination (i)13.04496008° ± 4.00e+00
Long. of Asc. Node (Ω)327.95191517° ± 5.00e+00
Arg. of Perihelion (ω)326.19834791° ± 6.00e+00
Mean Anomaly (M)215.85552296° ± 7.51e+00
Mean Motion (n)0.2387215700°/day ± 4.17e-01
Perihelion dist (q)1.14407090 AU ± 5.32e+00
Aphelion dist (Q)4.00313570 AU ± 6.95e+00
Orbital Period4.12869130 yr ± 7.22e+00
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.444″
Uncertainty4
Orbit TypeAmor
MOID0.162084 AU
Observations Used15
Oppositions1
Arc Total1998-1998
First Observation Used
Last Observation Used1998-08-30
Observations (15)
Date Type RA Dec Mag Band Observatory
1998-08-23 07:23:31 c 22 31 49.93 -05 50 17.6 i 691
1998-08-23 07:53:52 c 22 31 48.52 -05 49 10.0 i 691
1998-08-23 08:23:52 c 22 31 47.12 -05 48 02.9 i 691
1998-08-26 08:05:34 c 22 29 10.14 -03 16 58.3 i 691
1998-08-26 08:11:38 c 22 29 09.86 -03 16 46.1 i 691
1998-08-26 08:18:58 c 22 29 09.48 -03 16 30.2 i 691
1998-08-27 07:29:19 c 22 28 22.25 -02 31 31.0 i 691
1998-08-27 07:35:01 c 22 28 22.00 -02 31 20.4 i 691
1998-08-27 07:40:45 c 22 28 21.78 -02 31 09.7 i 691
1998-08-28 08:32:53 c 22 27 31.98 -01 44 53.0 i 691
1998-08-28 08:39:09 c 22 27 31.71 -01 44 42.4 i 691
1998-08-28 08:44:42 c 22 27 31.51 -01 44 31.4 i 691
1998-08-30 07:12:09 c 22 26 05.34 -00 23 34.5 i 691
1998-08-30 07:17:33 c 22 26 05.11 -00 23 25.3 i 691
1998-08-30 07:23:02 c 22 26 04.93 -00 23 16.9 i 691