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
2005-05-17 06:52:35 C 16 26 18.17 -11 52 17.4 18.3 c 704
2005-05-17 07:05:56 C 16 26 17.42 -11 52 11.8 18.7 c 704
2005-05-17 07:19:17 C 16 26 16.69 -11 52 06.2 18.5 c 704
2005-05-26 22:10:50 C 16 06 52.86 -09 21 39.5 o 151
2005-05-26 22:12:12 C 16 06 52.66 -09 21 38.2 o 151
2005-05-26 22:13:35 C 16 06 52.50 -09 21 37.3 o 151
2005-05-26 22:13:55 C 16 06 52.45 -09 21 36.9 o 151
2005-05-26 22:14:57 C 16 06 52.32 -09 21 36.1 o 151
2005-05-26 22:16:20 C 16 06 52.14 -09 21 34.8 o 151
2005-05-27 22:08:06 C 16 03 47.63 -08 59 26.5 m 611
2005-05-27 22:13:34 C 16 03 46.88 -08 59 20.6 m 611
2005-05-27 22:18:15 C 16 03 46.30 -08 59 16.4 m 611
2005-05-28 21:37:31 C 16 00 29.08 -08 35 43.3 c 104
2005-05-28 21:46:29 C 16 00 27.68 -08 35 34.1 c 104
2005-05-28 21:54:20 C 16 00 26.47 -08 35 25.9 c 104
2005-05-28 22:57:50 C 16 00 16.38 -08 34 21.4 d 048
2005-05-28 22:58:55 C 16 00 16.23 -08 34 20.5 d 048
2005-05-28 23:02:11 C 16 00 15.75 -08 34 17.2 d 048
2005-05-28 23:03:15 C 16 00 15.57 -08 34 15.4 d 048
2005-05-28 23:06:38 C 16 00 15.05 -08 34 11.8 d 048
2005-05-29 00:22:05 C 16 00 03.37 -08 32 50.9 17.8 r 130
2005-05-29 00:26:26 C 16 00 02.70 -08 32 46.4 17.7 r 130
2005-05-29 00:32:36 C 16 00 01.70 -08 32 39.7 17.6 r 130
2005-05-29 00:39:50 C 16 00 00.58 -08 32 31.8 17.9 r 130
2005-05-31 14:33:10 C 15 49 31.89 -07 18 24.5 r 379
2005-05-31 14:39:36 C 15 49 30.63 -07 18 15.6 r 379
2005-05-31 14:43:54 C 15 49 29.73 -07 18 10.0 r 379
2005-05-31 14:52:30 C 15 49 27.97 -07 17 58.1 r 379
2005-06-02 05:57:59 C 15 41 17.48 -06 20 32.5 r 703
2005-06-02 06:07:12 C 15 41 15.25 -06 20 17.5 r 703
2005-06-02 06:16:26 C 15 41 13.09 -06 20 02.7 r 703
2005-06-02 06:25:41 C 15 41 10.86 -06 19 47.8 r 703
2005-06-03 20:21:49 C 15 31 43.52 -05 13 37.1 r A30
2005-06-03 20:23:19 C 15 31 43.09 -05 13 34.3 r A30
2005-06-03 20:24:10 C 15 31 42.85 -05 13 32.7 r A30
2005-06-03 20:25:52 C 15 31 42.37 -05 13 29.5 r A30
2005-06-03 20:26:43 C 15 31 42.13 -05 13 28.0 r A30
2005-06-03 21:35:24 C 15 31 22.57 -05 11 14.6 r 157
2005-06-03 21:37:04 C 15 31 22.09 -05 11 11.2 r 157
2005-06-03 21:38:45 C 15 31 21.60 -05 11 08.2 r 157
2005-06-03 21:40:25 C 15 31 21.10 -05 11 05.0 r 157
2005-06-04 07:24:29 C 15 28 35.79 -04 51 48.4 r 703
2005-06-04 07:36:13 C 15 28 32.23 -04 51 24.5 r 703
2005-06-04 07:47:54 C 15 28 28.70 -04 51 00.9 r 703
2005-06-07 05:43:38 C 15 04 15.19 -02 00 53.1 o 699
2005-06-07 06:10:04 C 15 04 03.74 -01 59 35.7 o 699
2005-06-07 06:36:31 C 15 03 52.32 -01 58 18.0 o 699
2005-06-07 06:58:39 C 15 03 42.62 -01 57 10.8 r 703
2005-06-07 07:03:01 C 15 03 40.83 -01 57 00.1 o 699
2005-06-07 07:10:24 C 15 03 37.51 -01 56 36.1 r 703
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)