199003 (2005 WJ56)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1520194228 ± 9.55e-09
Semi-major axis (a)0.9590116507 AU ± 1.43e-10
Inclination (i)21.61637987° ± 2.38e-06
Long. of Asc. Node (Ω)288.01474602° ± 4.47e-07
Arg. of Perihelion (ω)297.65358928° ± 1.15e-06
Mean Anomaly (M)266.88352734° ± 2.13e-06
Mean Motion (n)1.0494855208°/day ± 2.36e-10
Perihelion dist (q)0.81322325 AU ± 9.16e-09
Aphelion dist (Q)1.10480005 AU ± 9.16e-09
Orbital Period0.93915186 yr ± 2.11e-10
Physical Parameters
H (abs. magnitude)18.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.321″
Uncertainty0
Orbit TypeAten
MOID0.022468 AU
Observations Used1234
Radar Obs Used5
Oppositions1
Arc Total2005-2024
First Observation Used2005-11-29
Last Observation Used2024-11-29
Observations (1308)
Date Type RA Dec Mag Band Observatory
2008-01-10 02:33:05 C 05 07 57.32 +20 27 32.2 r H45
2008-01-10 02:33:56 C 05 07 56.51 +20 27 04.5 r H45
2008-01-10 02:34:31 C 05 07 55.96 +20 26 45.7 r H45
2008-01-10 02:35:19 C 05 07 55.23 +20 26 19.9 r H45
2008-01-10 02:36:34 C 05 07 54.01 +20 25 39.5 r H45
2008-01-10 05:36:49 C 05 05 08.49 +18 47 47.3 r H06
2008-01-10 05:40:41 C 05 05 04.89 +18 45 41.0 r H06
2008-01-10 05:44:20 C 05 05 01.48 +18 43 40.9 r H06
2008-01-10 05:48:05 C 05 04 57.99 +18 41 37.4 r H06
2008-01-10 18:32:40 C 04 54 43.41 +11 41 54.7 o 151
2008-01-10 18:33:03 C 04 54 43.09 +11 41 42.3 o 151
2008-01-10 18:33:27 C 04 54 42.78 +11 41 29.7 o 151
2008-01-10 18:33:49 C 04 54 42.45 +11 41 17.3 o 151
2008-01-10 18:34:12 C 04 54 42.14 +11 41 04.4 o 151
2008-01-10 18:34:36 C 04 54 41.82 +11 40 52.0 o 151
2008-01-10 18:34:58 C 04 54 41.48 +11 40 39.8 o 151
2008-01-10 19:32:57 C 04 54 00.16 +11 10 27.8 r J46
2008-01-10 19:39:15 C 04 53 52.19 +11 06 25.4 r J37
2008-01-10 19:56:01 C 04 53 37.95 +10 57 19.8 r J37
2008-01-10 20:13:36 C 04 53 25.68 +10 48 27.6 r J46
2008-01-10 20:17:25 C 04 53 22.34 +10 46 22.2 c J47
2008-01-10 20:19:20 C 04 53 18.10 +10 44 41.6 r J37
2008-01-10 20:24:39 C 04 53 16.18 +10 42 26.4 c J47
2008-01-10 20:28:44 C 04 53 10.13 +10 39 36.2 r J37
2008-01-10 20:33:53 C 04 53 08.35 +10 37 27.8 r J46
2008-01-10 20:34:54 C 04 53 07.42 +10 36 53.4 c J47
2008-01-10 20:46:43 C 04 52 57.29 +10 30 29.4 c J47
2008-01-10 20:54:20 C 04 52 50.86 +10 26 23.7 r J46
2008-01-10 21:05:11 C 04 52 38.34 +10 19 52.1 r J40
2008-01-10 21:07:14 C 04 52 34.54 +10 18 24.6 r 213
2008-01-10 21:11:26 C 04 52 33.00 +10 16 28.2 r J40
2008-01-10 21:15:02 C 04 52 27.87 +10 14 09.7 r 213
2008-01-10 21:19:19 C 04 52 30.26 +10 12 51.7 r J51
2008-01-10 21:24:22 C 04 52 21.96 +10 09 27.5 r J40
2008-01-10 21:27:56 C 04 52 18.92 +10 07 31.6 r J40
2008-01-10 21:32:03 C 04 52 19.36 +10 05 58.3 r J51
2008-01-10 21:46:51 C 04 52 06.65 +09 57 57.6 r J51
2008-01-10 21:54:02 C 04 51 54.84 +09 53 00.5 r 213
2008-01-10 22:03:51 C 04 51 52.12 +09 48 45.4 r J51
2008-01-10 22:28:06 C 04 51 30.45 +09 35 35.1 c J47
2008-01-10 22:30:23 C 04 51 28.51 +09 34 20.7 c J47
2008-01-11 04:31:18 C 04 46 50.93 +06 20 06.2 r H45
2008-01-11 04:34:16 C 04 46 48.46 +06 18 30.4 r H45
2008-01-11 04:34:45 C 04 46 48.05 +06 18 14.5 r H45
2008-01-11 04:35:14 C 04 46 47.68 +06 17 59.3 r H45
2008-01-11 04:35:44 C 04 46 47.26 +06 17 43.6 r H45
2008-01-11 04:36:41 C 04 46 46.48 +06 17 12.9 r H45
2008-01-11 04:37:24 C 04 46 45.90 +06 16 50.4 r H45
2008-01-11 04:37:58 C 04 46 45.43 +06 16 32.0 r H45
2008-01-11 04:38:39 C 04 46 44.88 +06 16 10.6 r H45
Radar Observations (10)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-01-09 02:12:00 29272278.9 4 us 2380 -1 -1
2008-01-09.091667 2927227890 4000 us 2380 251 251
2008-01-10 01:04:00 19847.14 0.05 Hz 2380 -1 -1
2008-01-10 01:08:00 27936813.1 1 us 2380 -1 -1
2008-01-10.044444 1984714 5 Hz 2380 251 251
2008-01-10.047222 2793681310 1000 us 2380 251 251
2008-01-11 00:52:00 -25527.29 0.05 Hz 2380 -1 -1
2008-01-11 00:58:00 28122839.5 4 us 2380 -1 -1
2008-01-11.036111 -2552729 5 Hz 2380 251 251
2008-01-11.040278 2812283950 4000 us 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)