464798 (2004 JX20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2656796332 ± 1.78e-08
Semi-major axis (a)0.9016022049 AU ± 2.13e-10
Inclination (i)10.53493034° ± 2.75e-06
Long. of Asc. Node (Ω)101.73888137° ± 7.54e-06
Arg. of Perihelion (ω)349.12829934° ± 6.90e-06
Mean Anomaly (M)166.42436030° ± 1.18e-05
Mean Motion (n)1.1513035094°/day ± 4.07e-10
Perihelion dist (q)0.66206486 AU ± 1.61e-08
Aphelion dist (Q)1.14113955 AU ± 1.61e-08
Orbital Period0.85609596 yr ± 3.03e-10
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.274″
Uncertainty0
Orbit TypeAten
MOID0.094447 AU
Observations Used927
Radar Obs Used2
Oppositions2
Arc Total2004-2024
First Observation Used2004-05-15
Last Observation Used2024-04-20
Observations (998)
Date Type RA Dec Mag Band Observatory
2004-05-21 06:24:22 C 13 59 35.18 +50 25 41.7 c H41
2004-05-21 06:27:06 C 13 59 34.99 +50 25 29.2 c H41
2004-05-21 06:29:33 C 13 59 34.64 +50 25 18.3 c H41
2004-05-21 06:32:35 C 13 59 34.34 +50 25 05.4 c H41
2004-05-21 06:35:03 C 13 59 34.04 +50 24 55.5 c H41
2004-05-21 06:43:07 C 13 59 33.55 +50 24 19.8 o 649
2004-05-21 06:45:40 C 13 59 33.25 +50 24 09.1 o 649
2004-05-21 06:49:29 C 13 59 32.91 +50 23 52.7 o 649
2004-05-21 06:52:03 C 13 59 32.68 +50 23 42.1 o 649
2004-05-21 06:54:37 C 13 59 32.46 +50 23 31.6 o 649
2004-05-21 22:23:39 C 13 58 22.90 +49 20 06.7 176
2004-05-21 22:24:40 C 13 58 22.80 +49 20 02.6 176
2004-05-21 22:27:39 C 13 58 22.53 +49 19 50.3 176
2004-05-21 22:28:50 C 13 58 22.42 +49 19 45.4 176
2004-05-21 22:29:48 C 13 58 22.34 +49 19 41.4 176
2004-05-21 22:30:49 C 13 58 22.24 +49 19 37.2 176
2004-05-21 22:31:48 C 13 58 22.15 +49 19 33.2 176
2004-05-22 04:56:35 C 13 57 55.76 +48 53 23.2 c G70
2004-05-22 05:06:32 C 13 57 54.89 +48 52 42.7 c G70
2004-05-22 05:16:30 C 13 57 53.94 +48 52 02.7 c G70
2004-05-22 05:20:15 C 13 57 51.86 +48 51 43.0 r 649
2004-05-22 05:22:48 C 13 57 51.65 +48 51 31.6 r 649
2004-05-22 05:25:22 C 13 57 51.40 +48 51 21.2 r 649
2004-05-22 05:27:55 C 13 57 51.20 +48 51 10.9 r 649
2004-05-23 04:36:11 C 13 56 18.58 +47 16 55.4 c G70
2004-05-23 04:56:23 C 13 56 16.89 +47 15 34.4 c G70
2004-05-23 05:06:19 C 13 56 16.05 +47 14 54.6 c G70
2004-05-24 05:22:11 C 13 54 45.60 +45 36 44.1 c 926
2004-05-24 05:23:41 C 13 54 45.47 +45 36 37.3 c 926
2004-05-24 05:25:11 C 13 54 45.33 +45 36 31.2 c 926
2004-05-24 21:43:00 C 13 53 50.23 +44 30 47.2 d 560
2004-05-24 21:49:00 C 13 53 49.82 +44 30 23.0 d 560
2004-05-24 21:54:58 C 13 53 49.40 +44 29 58.8 d 560
2004-05-24 22:14:44 C 13 53 48.17 +44 28 36.6 r 240
2004-05-24 22:16:18 C 13 53 48.07 +44 28 30.3 r 240
2004-05-24 22:19:29 C 13 53 47.87 +44 28 17.4 r 240
2004-05-24 22:21:04 C 13 53 47.76 +44 28 11.2 r 240
2004-05-24 22:21:51 C 13 53 47.72 +44 28 07.9 r 240
2004-05-24 22:24:14 C 13 53 47.56 +44 27 58.2 r 240
2004-05-24 22:25:48 C 13 53 47.47 +44 27 52.1 r 240
2004-05-27 04:22:46 C 13 51 15.79 +40 54 14.4 c G70
2004-05-27 04:53:30 C 13 51 14.13 +40 52 14.8 c G70
2004-05-27 05:22:17 C 13 51 12.46 +40 50 22.5 c G70
2004-05-28 05:26:21 C 13 50 15.65 +39 16 45.9 c 926
2004-05-28 05:27:47 C 13 50 15.54 +39 16 40.3 c 926
2004-05-28 05:29:10 C 13 50 15.49 +39 16 34.5 c 926
2004-05-28 21:20:13 C 13 49 42.31 +38 15 17.5 c 113
2004-05-28 21:21:28 C 13 49 42.30 +38 15 13.0 c 113
2004-05-28 21:22:41 C 13 49 42.18 +38 15 08.2 c 113
2004-05-28 21:23:56 C 13 49 42.14 +38 15 02.9 c 113
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-06-13 01:41:00 166981464.17 4 us 2380 -1 -1
2016-06-13 02:42:00 167079950.55 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)