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
2012-12-08 23:16:27 C 05 45 37.86 +12 53 03.4 u 557
2012-12-08 23:44:14 C 05 45 31.27 +12 54 22.8 u 557
2012-12-09 00:10:30 C 05 45 25.07 +12 55 37.4 u 557
2012-12-09 00:42:57 C 05 45 17.43 +12 57 09.0 u 557
2012-12-09 01:13:21 C 05 45 10.28 +12 58 34.9 u 557
2012-12-09 01:44:15 C 05 45 03.09 +13 00 01.4 u 557
2012-12-09 02:13:50 C 05 44 56.25 +13 01 23.8 u 557
2012-12-09 02:44:45 C 05 44 49.16 +13 02 49.3 u 557
2012-12-09 03:15:39 C 05 44 42.12 +13 04 14.7 u 557
2012-12-09 03:46:31 C 05 44 35.15 +13 05 39.5 u 557
2012-12-10 02:50:03 C 05 39 50.82 +14 05 22.4 c A24
2012-12-10 02:51:06 C 05 39 50.61 +14 05 25.3 c A24
2012-12-10 03:55:06 C 05 39 37.84 +14 07 56.5 c A24
2012-12-10 03:56:08 C 05 39 37.63 +14 07 58.9 c A24
2012-12-11 01:57:21 C 05 35 39.91 +14 57 22.5 t 204
2012-12-11 01:59:21 C 05 35 39.56 +14 57 26.8 t 204
2012-12-11 02:01:21 C 05 35 39.20 +14 57 30.8 t 204
2012-12-11 02:03:21 C 05 35 38.83 +14 57 35.0 t 204
2012-12-11 02:05:21 C 05 35 38.48 +14 57 39.1 t 204
2012-12-11 03:30:18 C 05 35 23.43 +15 00 34.8 c A24
2012-12-11 03:31:20 C 05 35 23.27 +15 00 36.7 c A24
2012-12-11 04:35:17 C 05 35 12.23 +15 02 47.3 c A24
2012-12-11 04:36:20 C 05 35 12.05 +15 02 49.3 c A24
2012-12-11 08:14:48 C 05 34 37.59 +15 10 34.3 r G96
2012-12-11 08:25:37 C 05 34 35.68 +15 10 56.3 r G96
2012-12-11 08:36:24 C 05 34 33.74 +15 11 17.8 r G96
2012-12-11 08:47:26 C 05 34 31.80 +15 11 40.2 r G96
2012-12-11 20:49:18 C 05 32 39.94 +15 35 03.2 u G36
2012-12-11 23:18:55 C 05 32 15.50 +15 39 48.0 u G36
2012-12-12 01:34:45 C 05 31 53.28 +15 43 59.8 u G36
2012-12-12 02:01:50 C 05 31 48.68 +15 44 42.1 c A24
2012-12-12 02:02:52 C 05 31 48.50 +15 44 44.2 c A24
2012-12-12 03:06:46 C 05 31 38.45 +15 46 39.3 c A24
2012-12-12 03:07:49 C 05 31 38.31 +15 46 40.8 c A24
2012-12-12 19:39:04 C 05 29 19.76 +16 15 34.6 q A13
2012-12-12 20:11:35 C 05 29 15.10 +16 16 30.0 q A13
2012-12-12 20:43:44 C 05 29 10.47 +16 17 24.5 q A13
2012-12-13 09:20:19 C 05 27 26.45 +16 37 52.7 q H45
2012-12-13 09:21:48 C 05 27 26.25 +16 37 54.9 q H45
2012-12-13 09:23:50 C 05 27 25.96 +16 37 58.1 q H45
2012-12-13 09:26:34 C 05 27 25.60 +16 38 02.2 q H45
2012-12-13 09:27:31 C 05 27 25.47 +16 38 03.7 q H45
2012-12-13 09:28:58 C 05 27 25.27 +16 38 05.9 q H45
2012-12-13 09:30:09 C 05 27 25.12 +16 38 07.7 q H45
2012-12-13 09:31:28 C 05 27 24.94 +16 38 09.7 q H45
2012-12-13 19:44:01 C 05 26 12.07 +16 53 38.3 u G36
2012-12-13 23:26:25 C 05 25 41.49 +16 58 55.6 r 168
2012-12-13 23:31:25 C 05 25 40.85 +16 59 02.7 r 168
2012-12-14 00:39:50 C 05 25 32.38 +17 00 40.1 r 168
2012-12-14 00:44:45 C 05 25 31.79 +17 00 47.4 r 168
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)