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
2004-06-07 21:06:33 C 13 45 53.18 +24 06 10.4 r A41
2004-06-07 21:22:54 C 13 45 53.06 +24 05 15.0 r A41
2004-06-08 06:16:05 C 13 45 51.52 +23 36 47.9 r H41
2004-06-08 06:18:33 C 13 45 51.44 +23 36 38.7 r H41
2004-06-08 06:20:57 C 13 45 51.43 +23 36 31.1 r H41
2004-06-08 06:23:23 C 13 45 51.40 +23 36 24.0 r H41
2004-06-08 06:25:50 C 13 45 51.40 +23 36 15.6 r H41
2004-06-08 08:05:56 C 13 45 51.10 +23 30 54.8 o H06
2004-06-08 08:11:16 C 13 45 51.02 +23 30 37.1 o H06
2004-06-08 08:16:28 C 13 45 51.00 +23 30 19.6 o H06
2004-06-09 05:29:27 C 13 45 53.19 +22 23 13.4 19.5 c 704
2004-06-09 05:43:51 C 13 45 53.08 +22 22 27.4 18.3 c 704
2004-06-09 06:12:48 C 13 45 52.84 +22 20 56.0 18.7 c 704
2004-06-10 05:13:17 C 13 45 57.35 +21 09 27.1 17.8 c 704
2004-06-10 05:27:23 C 13 45 57.27 +21 08 43.7 18.4 c 704
2004-06-10 05:41:17 C 13 45 57.19 +21 08 00.5 18.6 c 704
2004-06-10 05:45:44 C 13 45 57.19 +21 07 46.4 17.8 c 704
2004-06-10 05:55:11 C 13 45 57.13 +21 07 17.2 18.0 c 704
2004-06-10 05:59:21 C 13 45 57.13 +21 07 04.5 18.0 c 704
2004-06-10 06:09:10 C 13 45 57.10 +21 06 34.4 18.2 c 704
2004-06-10 06:12:57 C 13 45 57.03 +21 06 20.7 18.2 c 704
2004-06-10 06:26:34 C 13 45 56.99 +21 05 38.4 18.2 c 704
2004-06-10 06:40:17 C 13 45 56.94 +21 04 56.0 18.0 c 704
2004-06-11 03:40:03 C 13 46 04.44 +20 01 04.3 c H41
2004-06-11 03:43:24 C 13 46 04.48 +20 00 53.2 c H41
2004-06-11 03:46:21 C 13 46 04.49 +20 00 44.9 c H41
2004-06-11 03:48:46 C 13 46 04.55 +20 00 37.5 c H41
2004-06-11 04:00:52 C 13 46 04.95 +20 00 02.3 18.0 c 704
2004-06-11 04:00:52 C 13 46 04.94 +20 00 02.4 17.8 c 704
2004-06-11 04:15:23 C 13 46 04.86 +19 59 18.2 18.7 c 704
2004-06-11 04:15:42 C 13 46 04.90 +19 59 17.4 18.2 c 704
2004-06-11 04:29:48 C 13 46 04.82 +19 58 35.2 18.5 c 704
2004-06-11 04:30:33 C 13 46 04.81 +19 58 32.5 18.5 c 704
2004-06-11 04:45:35 C 13 46 04.79 +19 57 46.9 18.3 c 704
2004-06-11 04:45:40 C 13 46 04.77 +19 57 46.7 18.2 c 704
2004-06-11 05:00:04 C 13 46 04.69 +19 57 03.2 18.2 c 704
2004-06-11 05:00:32 C 13 46 04.75 +19 57 01.5 18.2 c 704
2004-06-13 04:02:35 C 13 46 28.46 +17 38 12.9 18.3 c 704
2004-06-13 04:16:40 C 13 46 28.43 +17 37 32.1 18.7 c 704
2004-06-13 04:30:43 C 13 46 28.50 +17 36 51.9 18.8 c 704
2004-06-13 04:44:53 C 13 46 28.45 +17 36 10.2 18.5 c 704
2004-06-13 04:59:08 C 13 46 28.43 +17 35 29.1 18.6 c 704
2004-06-14 04:05:13 C 13 46 44.59 +16 29 29.1 18.1 c 704
2004-06-14 04:20:00 C 13 46 44.64 +16 28 47.1 18.8 c 704
2004-06-14 04:34:34 C 13 46 44.66 +16 28 05.8 18.4 c 704
2004-06-14 04:48:51 C 13 46 44.71 +16 27 25.4 18.4 c 704
2004-06-14 05:03:32 C 13 46 44.77 +16 26 43.5 18.6 c 704
2004-06-14 05:43:45 C 13 46 45.02 +16 24 50.6 c 926
2004-06-14 05:45:16 C 13 46 45.03 +16 24 46.0 c 926
2004-06-14 05:46:52 C 13 46 45.04 +16 24 41.4 c 926
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)