2021 HQ3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5441748127 ± 1.51e-05
Semi-major axis (a)2.1851830731 AU ± 6.98e-05
Inclination (i)7.32911091° ± 1.46e-04
Long. of Asc. Node (Ω)135.59077571° ± 3.19e-04
Arg. of Perihelion (ω)144.70687115° ± 2.94e-04
Mean Anomaly (M)130.81257075° ± 2.37e-02
Mean Motion (n)0.3051269266°/day ± 1.46e-05
Perihelion dist (q)0.99606148 AU ± 4.58e-05
Aphelion dist (Q)3.37430466 AU ± 1.13e-04
Orbital Period3.23021732 yr ± 1.55e-04
Physical Parameters
H (abs. magnitude)22.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty2
Orbit TypeApollo
MOID0.026426 AU
Observations Used74
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-19
Last Observation Used2021-09-13
Observations (75)
Date Type RA Dec Mag Band Observatory
2021-05-22 07:45:24 C 14 48 15.17 +41 54 20.9 V I52
2021-05-22 07:47:13 C 14 48 15.31 +41 54 25.7 V I52
2021-05-24 06:27:31 C 14 52 22.75 +44 01 56.6 V G96
2021-05-24 06:35:07 C 14 52 23.31 +44 02 17.8 V G96
2021-05-24 06:42:37 C 14 52 23.93 +44 02 38.5 V G96
2021-05-24 06:50:06 C 14 52 24.44 +44 02 59.7 V G96
2021-05-24 10:04:41 C 14 52 43.045 +44 12 16.76 U F51
2021-05-24 10:21:24 C 14 52 44.341 +44 13 03.29 U F51
2021-05-24 10:38:08 C 14 52 45.643 +44 13 49.16 U F51
2021-05-30 06:36:28 C 15 11 27.07 +51 23 57.7 V I52
2021-05-30 06:41:15 C 15 11 27.80 +51 24 13.7 V I52
2021-05-30 06:42:21 C 15 11 27.98 +51 24 17.4 V I52
2021-05-30 06:43:28 C 15 11 28.13 +51 24 20.9 V I52
2021-06-05 04:34:59 C 15 48 27.99 +60 00 31.3 V I52
2021-06-05 04:39:26 C 15 48 29.52 +60 00 49.1 V I52
2021-06-05 04:43:53 C 15 48 31.02 +60 01 07.1 V I52
2021-06-12 06:23:10 C 17 43 23.01 +70 34 29.6 V I52
2021-06-12 06:28:44 C 17 43 28.93 +70 34 45.8 V I52
2021-06-12 06:30:52 C 17 43 31.18 +70 34 51.6 V I52
2021-06-13 07:35:02 C 18 13 58.05 +71 39 59.9 V I52
2021-06-13 07:36:21 C 18 13 59.66 +71 40 03.5 V I52
2021-06-13 07:48:35 C 18 14 14.97 +71 40 31.2 V I52
2021-09-13 07:43:08 C 01 11 09.32 -11 05 24.9 V G96
2021-09-13 07:56:59 C 01 11 08.49 -11 05 31.9 V G96
2021-09-13 08:03:57 C 01 11 07.96 -11 05 33.9 V G96