2023 HQ2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7974319419 ± 5.76e-08
Semi-major axis (a)3.3676253692 AU ± 8.95e-07
Inclination (i)67.24152764° ± 1.11e-05
Long. of Asc. Node (Ω)232.20385548° ± 5.05e-06
Arg. of Perihelion (ω)135.92606948° ± 5.74e-06
Mean Anomaly (M)127.65978289° ± 5.06e-05
Mean Motion (n)0.1594874879°/day ± 6.36e-08
Perihelion dist (q)0.68217333 AU ± 2.65e-07
Aphelion dist (Q)6.05307741 AU ± 1.62e-06
Orbital Period6.17995992 yr ± 2.46e-06
Physical Parameters
H (abs. magnitude)16.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty0
Orbit TypeApollo
MOID0.198035 AU
Observations Used709
Oppositions8
Arc Total2015-2024
First Observation Used2015-06-08
Last Observation Used2024-02-19
Observations (734)
Date Type RA Dec Mag Band Observatory
2015-06-08 00:20:53 C 12 48 14.17 -42 26 16.8 W W84
2015-06-08 00:23:02 C 12 48 14.15 -42 26 15.8 W W84
2022-07-27 23:45:17 C 13 30 44.46 -26 44 09.9 W W84
2022-07-27 23:49:06 C 13 30 44.54 -26 44 08.6 W W84
2022-07-27 23:56:43 C 13 30 44.66 -26 44 06.9 W W84
2022-07-28 00:48:53 C 13 30 45.27 -26 43 53.8 W W84
2022-07-28 00:52:41 C 13 30 45.32 -26 43 52.5 W W84
2022-07-28 01:00:18 C 13 30 45.40 -26 43 51.0 W W84
2022-07-28 01:04:07 C 13 30 45.47 -26 43 49.9 W W84
2023-04-18 10:57:29 C 17 09 49.734 -06 28 26.08 V G96
2023-04-18 11:03:39 C 17 09 49.619 -06 28 18.55 V G96
2023-04-18 11:15:56 C 17 09 49.392 -06 28 03.76 V G96
2023-04-18 11:51:36 C 17 09 48.683 -06 27 20.27 V G96
2023-04-18 11:57:05 C 17 09 48.589 -06 27 13.68 V G96
2023-04-18 11:59:49 C 17 09 48.524 -06 27 10.37 V G96
2023-04-19 05:37:42 C 17 09 28.84 -06 05 27.4 u 807
2023-04-19 05:43:34 C 17 09 28.72 -06 05 20.2 u 807
2023-04-19 05:49:25 C 17 09 28.61 -06 05 12.2 u 807
2023-04-19 07:48:20 C 17 09 26.19 -06 02 52.2 u H21
2023-04-19 07:52:23 C 17 09 26.12 -06 02 47.2 u H21
2023-04-19 07:56:25 C 17 09 26.02 -06 02 42.3 u H21
2023-04-19 08:10:58 C 17 09 25.73 -06 02 24.5 u H21
2023-04-19 08:19:59 C 17 09 25.650 -06 02 13.09 V I52
2023-04-19 08:25:23 C 17 09 25.502 -06 02 05.82 V I52
2023-04-19 08:50:26 C 17 09 25.013 -06 01 35.72 V I52
2023-04-20 01:16:20 C 17 09 04.76 -05 41 02.5 X C95
2023-04-20 01:34:33 C 17 09 04.38 -05 40 38.8 V 511
2023-04-20 01:40:23 C 17 09 04.27 -05 40 31.2 X C95
2023-04-20 01:40:50 C 17 09 04.23 -05 40 31.0 V 511
2023-04-20 01:46:05 C 17 09 04.11 -05 40 24.5 V 511
2023-04-20 02:04:27 C 17 09 03.67 -05 40 01.1 X C95
2023-04-20 05:43:50 C 17 08 59.16 -05 35 15.8 u 807
2023-04-20 05:49:52 C 17 08 59.02 -05 35 08.3 u 807
2023-04-20 05:55:54 C 17 08 58.87 -05 35 00.6 u 807
2023-04-20 06:12:39 C 17 08 58.514 -05 34 39.61 V W68
2023-04-20 06:15:16 C 17 08 58.471 -05 34 35.94 V W68
2023-04-20 06:19:14 C 17 08 58.421 -05 34 31.22 V W68
2023-04-20 06:37:51 C 17 08 57.926 -05 34 06.71 V W68
2023-04-20 23:45:03 C 17 08 35.12 -05 12 19.2 V L01
2023-04-20 23:48:41 C 17 08 35.06 -05 12 14.6 V L01
2023-04-20 23:52:19 C 17 08 35.00 -05 12 09.5 V L01
2023-04-21 00:04:05 C 17 08 34.72 -05 11 54.6 V L01
2023-04-21 00:37:41 C 17 08 33.88 -05 11 11.3 X G02
2023-04-21 00:46:47 C 17 08 33.64 -05 10 59.8 X G02
2023-04-21 00:56:24 C 17 08 33.40 -05 10 47.3 X G02
2023-04-21 03:25:43 C 17 08 29.864 -05 07 32.50 V Z84
2023-04-21 03:27:29 C 17 08 29.819 -05 07 30.28 V Z84
2023-04-21 03:29:15 C 17 08 29.777 -05 07 27.91 V Z84
2023-04-21 09:26:17 C 17 08 21.44 -04 59 43.5 q 734
2023-04-21 09:34:25 C 17 08 21.23 -04 59 32.5 q 734