2004 HW53

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5810335245 ± 1.78e-07
Semi-major axis (a)2.1792974932 AU ± 5.00e-08
Inclination (i)39.12375880° ± 8.07e-05
Long. of Asc. Node (Ω)32.60745533° ± 2.49e-05
Arg. of Perihelion (ω)95.85279625° ± 5.89e-05
Mean Anomaly (M)273.45056394° ± 9.85e-05
Mean Motion (n)0.3063638349°/day ± 1.06e-08
Perihelion dist (q)0.91305259 AU ± 3.88e-07
Aphelion dist (Q)3.44554240 AU ± 3.96e-07
Orbital Period3.21717569 yr ± 1.11e-07
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.593″
Uncertainty0
Orbit TypeApollo
MOID0.263800 AU
Observations Used55
Oppositions10
Arc Total2004-2019
First Observation Used2004-04-26
Last Observation Used2019-10-26
Observations (57)
Date Type RA Dec Mag Band Observatory
2004-04-26 04:44:58 C 11 40 33.33 +30 09 30.6 19.1 c 704
2004-04-26 05:00:14 C 11 40 32.78 +30 07 59.8 19.9 c 704
2004-04-26 05:15:23 C 11 40 32.28 +30 06 30.4 19.5 c 704
2004-04-26 05:30:22 C 11 40 31.69 +30 05 01.3 19.3 c 704
2004-04-26 05:45:22 C 11 40 31.10 +30 03 32.8 19.1 c 704
2004-04-27 00:18:35 C 11 39 58.49 +28 14 54.2 c A50
2004-04-27 00:19:41 C 11 39 58.44 +28 14 47.7 c A50
2004-04-27 00:21:23 C 11 39 58.39 +28 14 38.9 c A50
2004-04-27 03:25:18 C 11 39 54.71 +27 57 09.6 r 649
2004-04-27 03:27:50 C 11 39 54.63 +27 56 55.3 r 649
2004-04-27 03:30:23 C 11 39 54.53 +27 56 40.4 r 649
2004-04-27 03:32:57 C 11 39 54.45 +27 56 25.8 r 649
2004-04-27 04:04:49 C 11 39 54.06 +27 53 25.7 c 673
2004-04-27 04:07:50 C 11 39 53.94 +27 53 07.4 c 673
2004-04-27 04:14:59 C 11 39 53.73 +27 52 26.9 c 673
2004-04-27 04:28:19 C 11 39 53.28 +27 51 09.2 c 673
2004-04-27 04:39:19 C 11 39 52.96 +27 50 06.8 c 673
2004-04-27 04:52:00 C 11 39 52.51 +27 48 55.1 c 673
2004-04-27 06:15:26 C 11 39 49.65 +27 40 56.5 c 854
2004-04-27 06:24:57 C 11 39 49.27 +27 40 02.1 c 854
2004-04-27 06:34:27 C 11 39 48.89 +27 39 02.7 c 854
2004-04-27 21:09:47 C 11 39 28.54 +26 16 36.0 r 176
2004-04-27 21:10:46 C 11 39 28.56 +26 16 31.1 r 176
2004-04-27 21:11:45 C 11 39 28.57 +26 16 26.1 r 176
2004-05-04 04:09:41 C 11 37 46.56 +13 50 29.1 c 926
2004-05-04 04:11:00 C 11 37 46.48 +13 50 22.8 c 926
2004-05-05 04:29:38 C 11 37 45.79 +12 08 14.2 r 448
2004-05-05 04:42:41 C 11 37 45.82 +12 07 20.3 r 448
2004-05-05 04:58:22 C 11 37 45.78 +12 06 15.9 r 448
2004-05-05 05:17:13 C 11 37 45.54 +12 04 56.4 r 649
2004-05-05 05:24:01 C 11 37 45.53 +12 04 29.0 r 649
2004-05-05 05:30:51 C 11 37 45.45 +12 04 00.8 r 649
2004-05-06 21:58:20 C 11 37 53.21 +09 24 34.1 r J95
2004-05-06 22:14:07 C 11 37 53.33 +09 23 33.2 r J95
2004-05-07 04:03:19 C 11 37 55.43 +09 01 46.1 c 926
2004-05-07 04:04:54 C 11 37 55.43 +09 01 40.2 c 926
2004-05-07 04:06:30 C 11 37 55.38 +09 01 34.8 c 926
2004-05-08 21:25:18 C 11 38 13.20 +06 33 00.9 r 941
2004-05-08 21:29:58 C 11 38 13.19 +06 32 44.1 r 941
2004-05-08 21:31:07 C 11 38 13.18 +06 32 40.0 r 941
2004-05-08 21:34:37 C 11 38 13.12 +06 32 25.9 r 941
2004-05-21 03:41:03 C 11 43 45.92 -06 25 50.9 o 715
2004-05-21 03:55:31 C 11 43 46.16 -06 26 20.6 o 715
2004-05-21 04:09:59 C 11 43 46.57 -06 26 48.4 o 715
2017-04-06 13:32:58 C 16 42 24.726 -32 41 33.47 V F51
2017-04-06 13:47:50 C 16 42 23.196 -32 42 02.39 V F51
2017-04-06 14:02:44 C 16 42 21.596 -32 42 31.94 V F51
2019-10-24 08:44:13 C 00 48 16.969 -21 11 11.94 U F51
2019-10-24 08:59:36 C 00 48 15.325 -21 11 05.31 U F51
2019-10-24 09:14:58 C 00 48 13.678 -21 10 58.66 U F51