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
2023-06-08 09:19:40 v 1 175.46568 -37.91855 270
2023-06-08 09:19:48 V 17 47 46.15 +07 17 55.0 V 270
2023-06-08 09:19:48 v 1 175.46568 -37.91855 270
2023-06-08 09:19:56 V 17 47 46.18 +07 17 56.9 V 270
2023-06-08 09:19:56 v 1 175.46568 -37.91855 270
2023-06-08 09:20:48 V 17 47 46.51 +07 18 10.6 V 270
2023-06-08 09:20:48 v 1 175.46568 -37.91855 270
2023-06-08 19:51:56 B 17 52 16.42 +09 57 34.5 V A92
2023-06-08 19:57:19 B 17 52 18.86 +09 59 08.3 V A92
2023-06-08 20:02:57 C 17 52 23.13 +10 00 51.9 V C82
2023-06-08 20:03:30 B 17 52 21.67 +10 00 55.2 V A92
2023-06-08 20:10:21 C 17 52 26.52 +10 03 00.4 V C82
2023-06-08 20:11:11 B 17 52 25.12 +10 03 08.5 V A92
2023-06-08 20:18:37 C 17 52 30.31 +10 05 24.2 V C82
2023-06-08 20:59:25 C 17 52 45.04 +10 17 12.2 V C40
2023-06-08 21:04:15 C 17 52 47.22 +10 18 37.4 V C40
2023-06-08 21:09:04 C 17 52 49.40 +10 20 02.1 V C40
2023-06-08 21:16:37 C 17 52 52.82 +10 22 15.5 V C40
2023-06-08 21:18:32 C 17 52 57.75 +10 22 26.5 V C23
2023-06-08 21:21:28 C 17 52 55.03 +10 23 41.5 V C40
2023-06-08 21:25:55 V 17 53 01.53 +10 24 36.4 V 270
2023-06-08 21:25:55 v 1 003.13787 +50.66043 270
2023-06-08 21:26:16 C 17 52 57.21 +10 25 06.7 V C40
2023-06-08 21:29:32 C 17 53 02.90 +10 25 41.9 V C23
2023-06-08 21:40:52 V 17 53 08.53 +10 29 04.7 V 270
2023-06-08 21:40:52 v 1 003.13787 +50.66043 270
2023-06-08 21:41:04 C 17 53 08.36 +10 29 08.2 V C23
2023-06-08 21:45:37 C 17 53 11.026 +10 30 26.42 V Z80
2023-06-08 21:49:10 C 17 53 12.17 +10 31 32.5 V C23
2023-06-08 21:50:04 V 17 53 12.90 +10 31 49.5 V 270
2023-06-08 21:50:04 v 1 003.13787 +50.66043 270
2023-06-08 21:53:42 C 17 53 14.861 +10 32 51.14 V Z80
2023-06-08 21:59:21 C 17 53 17.551 +10 34 32.99 V Z80
2023-06-08 22:04:16 V 17 53 19.68 +10 36 04.2 V 270
2023-06-08 22:04:16 v 1 003.13787 +50.66043 270
2023-06-08 22:24:24 C 17 53 25.97 +10 41 57.4 V 069
2023-06-08 22:28:24 C 17 53 27.88 +10 43 09.3 V 069
2023-06-08 22:32:25 C 17 53 29.77 +10 44 21.9 V 069
2023-06-08 22:36:25 C 17 53 31.67 +10 45 34.6 V 069
2023-06-08 22:40:24 C 17 53 33.60 +10 46 47.3 V 069
2023-06-08 22:44:24 C 17 53 35.49 +10 48 00.2 V 069
2023-06-08 22:45:05 C 17 53 38.61 +10 48 25.1 V K85
2023-06-08 22:48:25 C 17 53 37.40 +10 49 12.6 V 069
2023-06-08 22:52:25 C 17 53 39.34 +10 50 25.8 V 069
2023-06-08 22:56:24 C 17 53 41.24 +10 51 38.8 V 069
2023-06-08 23:00:24 C 17 53 43.17 +10 52 51.6 V 069
2023-06-08 23:02:12 C 17 53 44.02 +10 53 24.0 V 069
2023-06-08 23:15:05 C 17 53 52.97 +10 57 34.9 V K85
2023-06-08 23:48:05 B 17 54 08.43 +11 07 40.0 V L65
2023-06-08 23:58:18 B 17 54 13.41 +11 10 50.3 V L65
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)