2021 HA3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5392713000
Semi-major axis (a)1.9315240000 AU
Inclination (i)10.67997000°
Long. of Asc. Node (Ω)218.70393000°
Arg. of Perihelion (ω)53.13081000°
Mean Anomaly (M)237.58583000°
Mean Motion (n)0.3671587900°/day
Perihelion dist (q)0.88990850 AU
Aphelion dist (Q)2.97313950 AU
Orbital Period2.68441810 yr
Physical Parameters
H (abs. magnitude)23.36
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.700″
Uncertainty8
Orbit TypeApollo
MOID0.013290 AU
Observations Used44
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-03
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-04-23 09:26:21 C 13 59 20.65 -30 48 42.6 V T08
2021-04-23 09:31:00 C 13 59 22.44 -30 48 37.0 V T08
2021-04-23 09:35:39 C 13 59 24.13 -30 48 31.8 V T08
2021-04-23 10:07:05 C 13 59 36.22 -30 47 54.3 V T08
2021-04-24 04:05:50 C 14 08 02.38 -30 21 09.0 V W94
2021-04-24 04:14:05 C 14 08 06.18 -30 20 56.0 V W94
2021-04-24 04:22:20 C 14 08 10.03 -30 20 41.9 V W94
2021-04-24 06:45:02 C 14 09 25.40 -30 18 41.8 V I52
2021-04-24 06:50:28 C 14 09 28.02 -30 18 32.5 V I52
2021-04-24 06:52:33 C 14 09 29.00 -30 18 29.8 V I52
2021-04-24 06:54:38 C 14 09 30.06 -30 18 26.6 V I52
2021-04-24 11:51:57 C 14 12 15.05 -30 07 05.2 q E23
2021-04-24 12:11:57 C 14 12 25.40 -30 06 31.0 q E23
2021-04-24 12:34:57 C 14 12 37.34 -30 05 50.9 q E23
2021-04-24 17:14:58 C 14 15 18.60 -29 59 20.3 V N51
2021-04-24 17:18:08 C 14 15 20.42 -29 59 14.4 V N51
2021-04-24 17:24:26 C 14 15 23.74 -29 59 02.8 V N51
2021-04-24 17:27:55 C 14 15 25.66 -29 58 57.0 V N51
2021-04-24 17:37:21 C 14 15 30.82 -29 58 38.0 V N51
2021-04-24 22:27:59 C 14 18 25.71 -29 48 43.6 V 595
2021-04-24 23:03:33 C 14 18 46.56 -29 47 26.3 V L01
2021-04-24 23:08:01 C 14 18 49.18 -29 47 16.4 V L01
2021-04-24 23:09:19 C 14 18 49.98 -29 47 13.4 V 595
2021-04-24 23:12:31 C 14 18 51.80 -29 47 06.3 V L01
2021-04-25 01:29:01 C 14 20 23.86 -29 39 32.4 X Y00
2021-04-25 01:31:43 C 14 20 25.47 -29 39 26.1 X Y00
2021-04-25 01:33:14 C 14 20 26.40 -29 39 22.9 X Y00
2021-04-25 01:36:14 C 14 20 28.20 -29 39 15.7 X Y00
2021-04-30 00:21:22 C 17 19 06.59 -10 04 20.6 V 033
2021-04-30 00:22:20 C 17 19 09.32 -10 03 54.6 V 033
2021-04-30 07:31:20 C 17 40 11.93 -06 45 30.8 V I52
2021-04-30 07:32:05 C 17 40 14.14 -06 45 09.2 V I52
2021-04-30 07:32:50 C 17 40 16.35 -06 44 47.8 V I52
2021-04-30 07:33:36 C 17 40 18.54 -06 44 26.2 V I52
2021-04-30 23:02:54 C 18 28 17.05 +01 04 12.3 q J69
2021-04-30 23:06:39 C 18 28 28.82 +01 06 07.9 q J69
2021-04-30 23:10:24 C 18 28 40.52 +01 08 05.5 q J69
2021-04-30 23:14:08 C 18 28 52.21 +01 10 02.0 q J69
2021-05-02 01:31:14 C 19 48 57.44 +13 46 02.1 V J95
2021-05-02 01:34:59 C 19 49 07.89 +13 47 34.8 V J95
2021-05-02 01:38:52 C 19 49 18.67 +13 49 10.5 V J95
2021-05-02 01:42:41 C 19 49 29.26 +13 50 44.2 V J95
2021-05-03 02:05:48 C 20 50 22.61 +21 44 08.4 V 033
2021-05-03 02:07:03 C 20 50 25.30 +21 44 26.2 V 033