488453 (1994 XD)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7335854609 ± 2.00e+00
Semi-major axis (a)2.3440379473 AU ± 3.00e+00
Inclination (i)4.33031614° ± 4.00e+00
Long. of Asc. Node (Ω)96.01838470° ± 5.00e+00
Arg. of Perihelion (ω)249.54052437° ± 6.00e+00
Mean Anomaly (M)232.65171300° ± 6.04e-07
Mean Motion (n)0.2746409666°/day ± 5.27e-01
Perihelion dist (q)0.62448579 AU ± 4.76e+00
Aphelion dist (Q)4.06359011 AU ± 7.00e+00
Orbital Period3.58878100 yr ± 6.89e+00
NGA Modelr2
A21.59093751e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.405″
Uncertainty0
Orbit TypeApollo
MOID0.020199 AU
Observations Used615
Oppositions22
Arc Total1994-2024
First Observation Used1994-12-01
Last Observation Used2024-01-19
Observations (745)
Date Type RA Dec Mag Band Observatory
2005-06-07 07:22:10 C 15 03 32.36 -01 56 01.5 r 703
2005-06-07 07:33:54 C 15 03 27.28 -01 55 26.9 r 703
2005-06-07 21:02:34 C 14 57 36.78 -01 14 19.5 r 203
2005-06-07 21:19:05 C 14 57 29.06 -01 13 27.3 r 203
2005-06-07 21:51:49 C 14 57 14.12 -01 11 38.6 r 170
2005-06-07 21:53:57 C 14 57 13.12 -01 11 32.0 r 170
2005-06-07 21:55:28 C 14 57 12.42 -01 11 27.1 r 170
2005-06-07 22:00:04 C 14 57 10.25 -01 11 11.8 r 170
2005-06-09 05:20:17 C 14 41 28.85 +00 38 50.8 r H45
2005-06-09 05:22:20 C 14 41 27.70 +00 38 59.2 r H45
2005-06-09 05:24:42 C 14 41 26.35 +00 39 08.4 r H45
2005-06-09 05:26:53 C 14 41 25.12 +00 39 16.6 r H45
2005-06-09 05:28:12 C 14 41 24.36 +00 39 22.0 r H45
2005-06-09 05:29:31 C 14 41 23.61 +00 39 26.7 r H45
2005-06-09 20:30:14 C 14 32 48.72 +01 39 30.4 c 434
2005-06-09 20:32:49 C 14 32 47.31 +01 39 41.0 c 434
2005-06-09 20:35:02 C 14 32 45.75 +01 39 50.2 c 434
2005-06-09 20:36:17 C 14 32 44.97 +01 39 55.4 c 434
2005-06-10 03:55:21 C 14 28 15.99 +02 11 29.5 r 683
2005-06-10 04:14:23 C 14 28 03.54 +02 12 53.6 r 683
2005-06-10 20:36:40 C 14 17 11.35 +03 27 53.4 r 157
2005-06-10 20:45:12 C 14 17 05.69 +03 28 28.4 r 185
2005-06-10 20:49:42 C 14 17 02.47 +03 28 49.8 r 185
2005-06-10 20:52:08 C 14 17 00.74 +03 29 01.4 r 185
2005-06-10 20:57:46 C 14 16 56.71 +03 29 28.6 r 185
2005-06-10 21:00:19 C 14 16 54.89 +03 29 40.9 r 185
2005-06-10 21:02:21 C 14 16 53.43 +03 29 50.6 r 185
2005-06-10 21:27:44 C 14 16 35.05 +03 31 55.5 r 203
2005-06-10 21:31:50 C 14 16 31.80 +03 32 18.6 r 157
2005-06-10 21:43:47 C 14 16 23.50 +03 33 13.2 r 203
2005-06-11 21:09:44 C 13 58 39.11 +05 34 03.8 c A50
2005-06-11 21:10:27 C 13 58 38.52 +05 34 07.5 c A50
2005-06-11 21:11:08 C 13 58 37.92 +05 34 11.4 c A50
2005-06-11 21:11:31 C 13 58 37.64 +05 34 13.4 c A50
2005-06-11 21:12:12 C 13 58 37.05 +05 34 17.2 c A50
2005-06-11 21:12:55 C 13 58 36.46 +05 34 21.2 c A50
2005-06-12 06:10:58 C 13 51 04.52 +06 25 00.8 r H45
2005-06-12 06:13:13 C 13 51 02.57 +06 25 13.3 r H45
2005-06-12 06:15:02 C 13 51 00.97 +06 25 23.4 r H45
2005-06-12 06:24:29 C 13 50 52.71 +06 26 18.0 r H45
2005-06-12 06:28:24 C 13 50 49.21 +06 26 40.0 r H45
2005-06-13 22:05:47 C 13 12 14.86 +10 34 29.1 c 127
2005-06-13 22:09:02 C 13 12 11.27 +10 34 50.9 c 127
2005-06-13 22:15:21 C 13 12 04.30 +10 35 32.7 c 127
2005-09-30 14:22:56 C 08 42 28.44 +17 12 56.8 t 568
2005-09-30 14:31:01 C 08 42 29.05 +17 12 55.4 t 568
2005-09-30 14:39:11 C 08 42 29.66 +17 12 53.9 t 568
2006-01-22 03:04:48 C 08 22 51.36 +22 44 46.3 c 691
2006-01-22 03:29:40 C 08 22 49.50 +22 44 52.3 c 691
2006-01-22 03:54:33 C 08 22 47.69 +22 44 59.1 c 691
Radar Observations (16)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-06-24 18:21:00 -234617.7 1.25 Hz 2380 -1 -1
2005-06-24 18:43:00 111320090.3 8 us 2380 -1 -1
2005-06-25 18:13:00 119911679.2 1 us 2380 -1 -1
2012-11-28 09:50:00 -211529.611 2 Hz 8560 -14 -14
2012-11-28 10:20:00 52783851.25 10 us 8560 -14 -14
2012-11-28 10:50:00 52830665.56 2 us 8560 -14 -14
2012-11-29 09:10:00 56009886.05 2 us 8560 -14 -14
2012-11-30 08:00:00 61065314.51 2 us 8560 -14 -14
2023-06-10 03:40:00 928625.435 2 Hz 8560 -14 -14
2023-06-10 04:00:00 31288147.23 3 us 8560 -14 -14
2023-06-10 12:50:00 28081814.13 2 us 8560 -14 -14
2023-06-11 10:30:00 403266.123 3 Hz 8560 -14 -14
2023-06-11 11:00:00 22237133.88 2 us 8560 -14 -14
2023-06-11 11:30:00 374856.736 1 Hz 8560 -14 -14
2023-06-12 04:00:00 21147140.106 2 us 8560 -14 -14
2023-06-14 14:30:00 38122943.28 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)