2004 HX53

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3338313528 ± 6.84e-08
Semi-major axis (a)1.1927329540 AU ± 2.84e-09
Inclination (i)3.55759935° ± 8.26e-06
Long. of Asc. Node (Ω)64.38675992° ± 5.90e-05
Arg. of Perihelion (ω)241.75059971° ± 5.58e-05
Mean Anomaly (M)148.95780569° ± 3.10e-05
Mean Motion (n)0.7566542023°/day ± 2.70e-09
Perihelion dist (q)0.79456130 AU ± 8.16e-08
Aphelion dist (Q)1.59090461 AU ± 8.16e-08
Orbital Period1.30261126 yr ± 4.66e-09
Physical Parameters
H (abs. magnitude)23.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.558″
Uncertainty0
Orbit TypeApollo
MOID0.020639 AU
Observations Used93
Radar Obs Used5
Oppositions1
Arc Total2004-2017
First Observation Used2004-04-26
Last Observation Used2017-04-04
Observations (96)
Date Type RA Dec Mag Band Observatory
2004-05-01 05:28:33 C 13 06 01.20 +30 35 07.5 c 926
2004-05-01 05:29:11 C 13 06 00.78 +30 35 12.8 c 926
2004-05-02 05:26:37 C 12 51 29.61 +34 14 14.2 c 926
2004-05-02 05:27:24 C 12 51 29.02 +34 14 20.6 c 926
2004-05-04 04:33:04 C 12 08 35.97 +42 50 46.3 c 926
2004-05-04 04:34:00 C 12 08 34.96 +42 51 00.9 c 926
2004-05-05 03:33:46 C 11 36 26.56 +47 29 46.1 r 649
2004-05-05 03:35:58 C 11 36 22.82 +47 30 13.1 r 649
2004-05-05 03:38:08 C 11 36 19.14 +47 30 39.7 r 649
2004-05-05 03:40:20 C 11 36 15.40 +47 31 05.8 r 649
2004-05-06 00:27:54 C 10 57 30.12 +51 31 46.8 o J95
2004-05-06 00:39:05 C 10 57 06.22 +51 33 43.1 o J95
2004-05-06 03:24:03 C 10 51 28.14 +52 06 17.0 c 926
2004-05-06 03:24:28 C 10 51 27.17 +52 06 20.5 c 926
2004-05-06 03:24:54 C 10 51 25.94 +52 06 25.5 c 926
2004-05-06 03:25:30 C 10 51 24.92 +52 06 31.8 c 926
2004-05-06 03:25:55 C 10 51 23.84 +52 06 36.6 c 926
2004-05-06 03:26:23 C 10 51 22.78 +52 06 42.1 c 926
2004-05-06 21:18:37 C 10 08 11.31 +54 53 01.8 o J95
2004-05-06 21:34:56 C 10 07 27.12 +54 55 04.2 o J95
2004-05-07 03:24:59 C 09 51 45.10 +55 39 18.0 c 926
2004-05-07 03:25:26 C 09 51 44.06 +55 39 20.0 c 926
2004-05-07 03:25:54 C 09 51 42.75 +55 39 22.9 c 926
2004-05-07 03:26:33 C 09 51 34.91 +55 38 34.8 o 649
2004-05-07 03:28:32 C 09 51 29.34 +55 38 46.3 o 649
2004-05-07 03:30:31 C 09 51 23.62 +55 38 58.9 o 649
2004-05-07 03:32:30 C 09 51 17.87 +55 39 11.6 o 649
2013-11-07 07:25:38 C 03 48 53.05 +10 51 35.7 q H36
2013-11-07 07:48:01 C 03 48 48.19 +10 51 58.8 q H36
2013-11-07 07:58:03 C 03 48 45.94 +10 52 08.3 q H36
2013-11-08 05:57:12 C 03 44 25.56 +11 13 00.7 q H36
2013-11-08 06:05:28 C 03 44 23.84 +11 13 08.6 q H36
2013-11-08 06:12:02 C 03 44 22.48 +11 13 14.6 q H36
2013-11-09 12:16:18 C 03 38 44.047 +11 40 00.26 L F51
2013-11-09 12:38:00 C 03 38 39.826 +11 40 18.06 L F51
2013-11-09 12:59:45 C 03 38 35.619 +11 40 35.75 L F51
2013-11-10 08:40:44 C 03 35 09.80 +11 56 34.3 q G96
2013-11-10 08:51:41 C 03 35 07.78 +11 56 43.0 q G96
2013-11-10 09:02:39 C 03 35 05.75 +11 56 51.4 q G96
2013-11-10 09:16:02 C 03 35 03.31 +11 57 02.2 q G96
2013-11-24 07:23:35 C 02 56 51.495 +14 59 20.57 L F51
2013-11-24 07:42:44 C 02 56 49.964 +14 59 28.18 L F51
2013-11-24 08:01:57 C 02 56 48.469 +14 59 35.77 L F51
2017-04-04 11:07:24 C 12 16 39.95 +13 54 22.0 o 291
2017-04-04 11:13:55 C 12 16 39.11 +13 54 28.3 o 291
2017-04-04 11:20:24 C 12 16 38.16 +13 54 33.9 o 291
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2004-04-30 02:04:00 122085.2436 2 Hz 2380 -1 -1
2004-04-30 03:10:00 52463566.54 1 us 2380 -1 -1
2004-04-30 03:10:00 120003.3615 0.2 Hz 2380 -1 -1
2004-05-01 03:09:00 48231678.64 1 us 2380 -1 -1
2004-05-01 03:09:00 112813.4639 0.2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)