IAA RAS IAA Minor Planet Database

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
2021-04-19 08:34:20 C 14 26 45.96 +15 57 38.3 – V G96
2021-04-19 08:42:39 C 14 26 45.95 +15 57 50.9 – V G96
2021-04-19 08:51:03 C 14 26 45.99 +15 58 02.2 – V G96
2021-04-19 08:59:23 C 14 26 46.06 +15 58 15.1 – V G96
2021-05-05 07:56:58 C 14 31 41.80 +26 44 05.1 – V G96
2021-05-05 08:04:26 C 14 31 41.87 +26 44 19.2 – V G96
2021-05-05 08:11:56 C 14 31 41.91 +26 44 33.7 – V G96
2021-05-05 08:19:26 C 14 31 41.99 +26 44 47.7 – V G96
2021-05-05 10:04:49 C 14 31 43.01 +26 48 05.9 – V I52
2021-05-05 10:07:14 C 14 31 43.02 +26 48 11.0 – V I52
2021-05-05 10:09:39 C 14 31 43.07 +26 48 15.2 – V I52
2021-05-06 03:59:55 C 14 32 05.63 +27 22 36.3 – u H21
2021-05-06 04:09:24 C 14 32 05.76 +27 22 55.4 – u H21
2021-05-06 04:38:28 C 14 32 06.92 +27 23 52.5 – V I52
2021-05-06 04:42:06 C 14 32 06.98 +27 24 00.6 – V I52
2021-05-06 04:45:43 C 14 32 07.05 +27 24 08.4 – V I52
2021-05-06 04:49:21 C 14 32 07.06 +27 24 14.8 – V I52
2021-05-07 04:56:38 C 14 32 36.12 +28 11 24.5 – V I52
2021-05-07 04:59:03 C 14 32 36.11 +28 11 30.2 – V I52
2021-05-07 05:01:28 C 14 32 36.15 +28 11 33.5 – V I52
2021-05-07 05:03:53 C 14 32 36.18 +28 11 38.7 – V I52
2021-05-08 04:33:52 C 14 33 07.01 +28 58 18.7 – V I52
2021-05-08 04:36:17 C 14 33 07.08 +28 58 23.2 – V I52
2021-05-08 04:40:43 C 14 33 07.15 +28 58 32.4 – V I52
2021-05-08 04:43:08 C 14 33 07.21 +28 58 37.2 – V I52
2021-05-09 07:44:59 C 14 33 43.56 +29 53 15.6 – V I52
2021-05-09 07:49:34 C 14 33 43.62 +29 53 24.9 – V I52
2021-05-09 07:51:59 C 14 33 43.66 +29 53 29.6 – V I52
2021-05-09 07:59:41 C 14 33 43.77 +29 53 45.5 – V I52
2021-05-10 04:53:17 C 14 34 18.06 +30 36 38.9 – V I52
2021-05-10 04:58:07 C 14 34 18.08 +30 36 49.4 – V I52
2021-05-10 05:00:32 C 14 34 18.16 +30 36 54.5 – V I52
2021-05-11 09:28:39 C 14 35 03.09 +31 36 21.5 – V I52
2021-05-11 09:30:28 C 14 35 03.12 +31 36 25.7 – V I52
2021-05-11 09:32:17 C 14 35 03.16 +31 36 29.6 – V I52
2021-05-11 09:34:05 C 14 35 03.22 +31 36 33.0 – V I52
2021-05-12 04:58:45 C 14 35 41.91 +32 17 52.9 – V I52
2021-05-12 05:00:34 C 14 35 41.95 +32 17 56.7 – V I52
2021-05-12 05:02:23 C 14 35 42.00 +32 18 00.5 – V I52
2021-05-12 05:04:12 C 14 35 42.03 +32 18 04.4 – V I52
2021-05-15 07:52:23 C 14 38 23.77 +35 02 56.3 – V I52
2021-05-15 07:54:12 C 14 38 23.87 +35 03 00.0 – V I52
2021-05-15 07:56:01 C 14 38 23.88 +35 03 04.3 – V I52
2021-05-15 07:57:50 C 14 38 23.94 +35 03 08.4 – V I52
2021-05-16 06:20:51 C 14 39 23.91 +35 54 26.4 – V G96
2021-05-16 06:28:20 C 14 39 24.15 +35 54 43.9 – V G96
2021-05-16 06:35:52 C 14 39 24.37 +35 55 01.6 – V G96
2021-05-16 06:43:21 C 14 39 24.59 +35 55 19.0 – V G96
2021-05-22 07:41:46 C 14 48 14.98 +41 54 11.2 – V I52
2021-05-22 07:43:35 C 14 48 15.07 +41 54 15.9 – V I52