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
2012-04-23 04:29:02 C 13 43 57.80 -03 19 36.1 o H21
2012-04-23 04:39:50 C 13 43 57.05 -03 19 31.7 o H21
2012-04-23 04:51:08 C 13 43 56.30 -03 19 27.3 o H21
2012-04-24 04:54:27 C 13 42 21.97 -03 10 22.7 o H21
2012-04-24 05:12:03 C 13 42 20.80 -03 10 16.0 o H21
2012-04-24 05:29:58 C 13 42 19.54 -03 10 09.2 o H21
2012-11-26 06:56:53 C 10 34 59.65 -37 59 44.9 u 807
2012-11-26 06:57:37 C 10 34 57.88 -37 59 37.4 u 807
2012-11-26 06:59:04 C 10 34 54.42 -37 59 22.3 u 807
2012-12-05 09:11:17 C 06 11 27.10 +07 15 02.6 q H45
2012-12-05 09:12:37 C 06 11 26.54 +07 15 09.9 q H45
2012-12-05 09:13:20 C 06 11 26.24 +07 15 13.4 q H45
2012-12-05 09:14:09 C 06 11 25.90 +07 15 18.0 q H45
2012-12-05 09:15:03 C 06 11 25.52 +07 15 22.5 q H45
2012-12-05 09:15:51 C 06 11 25.20 +07 15 27.0 q H45
2012-12-05 09:16:34 C 06 11 24.89 +07 15 31.1 q H45
2012-12-05 09:17:36 C 06 11 24.46 +07 15 36.3 q H45
2012-12-05 09:18:41 C 06 11 24.03 +07 15 42.3 q H45
2012-12-05 09:19:31 C 06 11 23.67 +07 15 46.7 q H45
2012-12-05 09:20:21 C 06 11 23.32 +07 15 51.1 q H45
2012-12-05 09:21:25 C 06 11 22.88 +07 15 56.8 q H45
2012-12-05 13:33:03 C 06 09 48.56 +07 39 28.5 o E10
2012-12-05 13:33:52 C 06 09 48.22 +07 39 32.6 o E10
2012-12-05 13:34:41 C 06 09 47.90 +07 39 36.8 o E10
2012-12-05 20:27:57 C 06 07 13.71 +08 12 22.0 u J93
2012-12-05 20:30:00 C 06 07 12.88 +08 12 31.9 u J93
2012-12-05 20:32:02 C 06 07 12.12 +08 12 42.5 u J93
2012-12-06 04:15:46 C 06 04 20.55 +08 49 28.3 c A24
2012-12-06 04:16:47 C 06 04 20.17 +08 49 33.4 c A24
2012-12-07 00:31:07 C 05 57 49.67 +10 15 49.1 u 557
2012-12-07 01:00:50 C 05 57 40.33 +10 17 45.8 u 557
2012-12-07 01:30:31 C 05 57 31.02 +10 19 42.1 u 557
2012-12-07 02:00:15 C 05 57 21.80 +10 21 37.4 u 557
2012-12-07 02:29:56 C 05 57 12.58 +10 23 32.9 u 557
2012-12-07 03:09:01 C 05 57 00.55 +10 26 03.8 u 557
2012-12-07 03:38:45 C 05 56 51.50 +10 27 57.8 u 557
2012-12-07 04:11:34 C 05 56 41.60 +10 30 03.1 u 557
2012-12-07 20:16:04 C 05 52 16.76 +11 28 26.0 u 557
2012-12-07 20:47:43 C 05 52 08.09 +11 30 15.2 u 557
2012-12-07 21:15:54 C 05 52 00.35 +11 31 52.1 u 557
2012-12-07 21:45:35 C 05 51 52.22 +11 33 33.4 u 557
2012-12-07 22:15:23 C 05 51 44.03 +11 35 14.9 u 557
2012-12-07 22:46:42 C 05 51 35.47 +11 37 00.6 u 557
2012-12-07 23:50:38 C 05 51 17.96 +11 40 35.6 u 557
2012-12-08 19:34:16 C 05 46 30.65 +12 42 16.4 u 557
2012-12-08 20:05:10 C 05 46 23.36 +12 43 47.5 u 557
2012-12-08 20:30:09 C 05 46 17.43 +12 45 00.9 u 557
2012-12-08 21:05:42 C 05 46 08.96 +12 46 45.2 u 557
2012-12-08 21:35:02 C 05 46 01.99 +12 48 10.7 u 557
2012-12-08 22:44:00 C 05 45 45.55 +12 51 30.4 u 557
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)