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
2023-06-05 23:01:47 B 17 33 24.418 -01 31 22.37 V L65
2023-06-05 23:05:40 B 17 33 24.938 -01 31 00.23 V L65
2023-06-05 23:07:31 C 17 33 25.53 -01 30 47.5 V C23
2023-06-06 22:16:24 C 17 37 37.215 +01 05 10.14 V 089
2023-06-06 22:19:16 C 17 37 37.716 +01 05 32.79 V 089
2023-06-06 22:22:08 C 17 37 38.281 +01 05 55.19 V 089
2023-06-06 22:25:00 C 17 37 38.805 +01 06 18.00 V 089
2023-06-06 22:36:28 C 17 37 40.944 +01 07 48.67 V 089
2023-06-06 22:39:20 C 17 37 41.496 +01 08 11.16 V 089
2023-06-06 23:01:31 V 17 37 48.99 +01 11 12.0 V 270
2023-06-06 23:01:31 v 1 001.47164 +43.58306 270
2023-06-06 23:04:41 V 17 37 49.60 +01 11 36.3 V 270
2023-06-06 23:04:41 v 1 001.47164 +43.58306 270
2023-06-06 23:07:40 V 17 37 50.15 +01 12 01.0 V 270
2023-06-06 23:07:40 v 1 001.47164 +43.58306 270
2023-06-06 23:09:16 V 17 37 50.36 +01 12 05.7 V 270
2023-06-06 23:09:16 v 1 359.62611 +49.20361 270
2023-06-06 23:10:35 V 17 37 50.70 +01 12 24.5 V 270
2023-06-06 23:10:35 v 1 001.47164 +43.58306 270
2023-06-06 23:18:12 V 17 37 52.12 +01 13 16.4 V 270
2023-06-06 23:18:12 v 1 359.62611 +49.20361 270
2023-06-06 23:30:53 V 17 37 54.53 +01 14 58.5 V 270
2023-06-06 23:30:53 v 1 359.62611 +49.20361 270
2023-06-06 23:47:10 V 17 37 57.64 +01 17 07.6 V 270
2023-06-06 23:47:10 v 1 359.62611 +49.20361 270
2023-06-06 23:49:16 B 17 37 57.120 +01 17 20.26 V L65
2023-06-06 23:51:50 B 17 37 57.629 +01 17 41.14 V L65
2023-06-06 23:54:25 B 17 37 58.133 +01 18 01.87 V L65
2023-06-07 10:08:32 V 17 40 30.00 +02 50 23.1 V 270
2023-06-07 10:08:32 v 1 151.66018 -32.96847 270
2023-06-07 10:23:17 V 17 40 33.57 +02 52 42.2 V 270
2023-06-07 10:23:17 v 1 151.66018 -32.96847 270
2023-06-07 10:37:22 V 17 40 36.86 +02 54 57.3 V 270
2023-06-07 10:37:22 v 1 151.66018 -32.96847 270
2023-06-07 10:51:33 V 17 40 40.26 +02 57 12.4 V 270
2023-06-07 10:51:33 v 1 151.66018 -32.96847 270
2023-06-07 11:08:58 V 17 40 41.88 +03 00 10.3 V 270
2023-06-07 11:08:58 v 1 174.65781 -36.83545 270
2023-06-07 11:26:50 V 17 40 45.94 +03 03 02.3 V 270
2023-06-07 11:26:50 v 1 174.65781 -36.83545 270
2023-06-07 11:40:16 V 17 40 49.04 +03 05 10.9 V 270
2023-06-07 11:40:16 v 1 174.65781 -36.83545 270
2023-06-07 11:49:12 V 17 40 51.12 +03 06 37.7 V 270
2023-06-07 11:49:12 v 1 174.65781 -36.83545 270
2023-06-07 13:30:25 C 17 41 19.56 +03 20 19.5 r Q10
2023-06-07 13:40:21 C 17 41 21.87 +03 21 59.0 r Q10
2023-06-07 13:50:16 C 17 41 24.33 +03 23 37.7 r Q10
2023-06-07 13:59:35 V 17 41 26.93 +03 25 11.7 V 270
2023-06-07 13:59:35 v 1 134.35900 +35.08986 270
2023-06-07 14:08:31 V 17 41 29.05 +03 26 41.7 V 270
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)