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
2023-05-28 00:10:52 C 17 18 40.73 -10 19 02.0 V C23
2023-05-29 22:03:04 C 17 20 21.49 -09 23 24.0 V C23
2023-05-29 22:10:37 C 17 20 21.77 -09 23 13.7 V C23
2023-05-29 22:18:09 C 17 20 22.01 -09 23 03.9 V C23
2023-05-29 23:14:52 B 17 20 22.97 -09 21 44.0 Z M45
2023-05-29 23:19:49 B 17 20 23.12 -09 21 37.1 Z M45
2023-05-29 23:24:46 B 17 20 23.26 -09 21 30.2 Z M45
2023-05-30 22:55:55 C 17 21 24.58 -08 46 33.5 X G02
2023-05-30 23:00:32 C 17 21 24.71 -08 46 25.6 X G02
2023-05-30 23:04:52 C 17 21 24.89 -08 46 18.5 X G02
2023-05-31 14:19:03 V 17 22 09.73 -08 20 31.3 V 270
2023-05-31 14:19:03 v 1 134.35900 +35.08986 270
2023-05-31 14:24:37 V 17 22 09.93 -08 20 21.3 V 270
2023-05-31 14:24:37 v 1 134.35900 +35.08986 270
2023-05-31 14:44:32 V 17 22 10.67 -08 19 46.1 V 270
2023-05-31 14:44:32 v 1 134.35900 +35.08986 270
2023-05-31 14:51:05 V 17 22 10.91 -08 19 35.2 V 270
2023-05-31 14:51:05 v 1 134.35900 +35.08986 270
2023-05-31 22:13:47 C 17 22 35.26 -08 06 10.1 V 938
2023-05-31 22:26:38 C 17 22 35.80 -08 05 46.3 V 938
2023-05-31 22:41:06 C 17 22 36.40 -08 05 19.3 V 938
2023-05-31 22:47:32 C 17 22 36.69 -08 05 07.6 V 938
2023-05-31 23:04:23 C 17 22 37.39 -08 04 36.2 V 938
2023-05-31 23:12:57 C 17 22 37.74 -08 04 20.4 V 938
2023-05-31 23:25:11 C 17 22 38.24 -08 03 57.4 V 938
2023-05-31 23:40:11 C 17 22 38.84 -08 03 29.2 V 938
2023-06-01 00:05:59 C 17 22 39.04 -08 02 48.8 V C23
2023-06-01 00:12:27 C 17 22 39.33 -08 02 36.5 V C23
2023-06-01 00:20:00 C 17 22 39.65 -08 02 22.5 V C23
2023-06-01 22:08:30 B 17 23 56.514 -07 17 33.93 X B72
2023-06-01 22:11:34 B 17 23 56.680 -07 17 26.97 X B72
2023-06-01 22:12:35 B 17 23 56.733 -07 17 24.90 X B72
2023-06-01 22:13:36 B 17 23 56.739 -07 17 22.74 X B72
2023-06-01 22:15:39 B 17 23 56.885 -07 17 18.25 X B72
2023-06-01 22:17:42 B 17 23 56.980 -07 17 13.72 X B72
2023-06-01 22:18:43 B 17 23 57.052 -07 17 11.56 X B72
2023-06-01 22:19:45 B 17 23 57.097 -07 17 09.07 X B72
2023-06-02 00:09:38 V 17 24 02.15 -07 13 01.2 V 270
2023-06-02 00:09:38 v 1 016.33595 +48.20413 270
2023-06-02 00:19:37 V 17 24 02.65 -07 12 39.1 V 270
2023-06-02 00:19:37 v 1 016.33595 +48.20413 270
2023-06-02 01:10:10 V 17 24 05.18 -07 10 43.5 V 270
2023-06-02 01:10:10 v 1 016.33595 +48.20413 270
2023-06-02 01:39:10 V 17 24 06.63 -07 09 36.8 V 270
2023-06-02 01:39:10 v 1 016.33595 +48.20413 270
2023-06-02 06:05:31 C 17 24 27.895 -06 59 11.08 V U52
2023-06-02 06:08:40 C 17 24 28.066 -06 59 03.55 V U52
2023-06-02 21:28:55 C 17 25 30.69 -06 20 23.8 V C40
2023-06-02 21:47:34 C 17 25 31.80 -06 19 33.4 V C40
2023-06-02 22:05:41 C 17 25 32.85 -06 18 44.5 V C40
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)