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
2012-12-14 01:46:43 C 05 25 24.95 +17 02 33.7 u G36
2012-12-14 02:55:40 C 05 25 19.32 +17 04 04.8 16.3 r 726
2012-12-14 02:59:03 C 05 25 18.89 +17 04 09.6 16.3 r 726
2012-12-14 03:02:26 C 05 25 18.45 +17 04 14.7 16.4 r 726
2012-12-14 03:48:42 C 05 25 09.42 +17 05 25.8 u G36
2012-12-18 08:14:26 C 05 15 38.43 +19 00 47.1 q H45
2012-12-18 08:16:08 C 05 15 38.29 +19 00 48.8 q H45
2012-12-18 08:17:09 C 05 15 38.20 +19 00 49.9 q H45
2012-12-18 08:18:35 C 05 15 38.08 +19 00 51.1 q H45
2012-12-18 08:19:37 C 05 15 38.01 +19 00 52.0 q H45
2012-12-18 08:20:56 C 05 15 37.90 +19 00 53.1 q H45
2012-12-18 08:22:10 C 05 15 37.80 +19 00 54.3 q H45
2012-12-18 08:23:23 C 05 15 37.69 +19 00 55.3 q H45
2012-12-23 04:32:00 C 05 08 47.65 +20 28 01.3 u H21
2012-12-23 04:37:30 C 05 08 47.36 +20 28 04.5 u H21
2012-12-23 04:42:40 C 05 08 47.10 +20 28 07.7 u H21
2012-12-23 04:47:51 C 05 08 46.82 +20 28 10.9 u H21
2012-12-23 04:53:00 C 05 08 46.55 +20 28 14.0 u H21
2012-12-23 04:57:50 C 05 08 46.30 +20 28 16.9 u H21
2012-12-23 05:02:19 C 05 08 46.08 +20 28 19.7 u H21
2012-12-28 23:21:35 C 05 04 13.13 +21 37 12.1 q 160
2012-12-28 23:25:07 C 05 04 13.06 +21 37 13.6 q 160
2012-12-28 23:28:28 C 05 04 12.97 +21 37 15.2 q 160
2012-12-31 19:17:06 C 05 03 01.10 +22 02 38.9 u A13
2012-12-31 19:50:00 C 05 03 00.51 +22 02 49.7 u A13
2013-01-05 04:30:14 C 05 02 07.90 +22 35 01.4 r G96
2013-01-05 04:38:53 C 05 02 07.87 +22 35 03.6 r G96
2013-01-05 04:50:06 C 05 02 07.76 +22 35 07.0 r G96
2013-01-05 04:58:52 C 05 02 07.72 +22 35 09.4 r G96
2013-01-07 06:08:00 C 05 02 05.152 +22 47 59.16 L F51
2013-01-07 06:34:50 C 05 02 05.063 +22 48 06.16 L F51
2013-01-07 06:57:48 C 05 02 04.990 +22 48 12.10 L F51
2013-01-07 07:20:53 C 05 02 04.913 +22 48 18.00 L F51
2013-01-13 04:38:15 C 05 03 01.33 +23 19 05.1 r G96
2013-01-13 04:45:41 C 05 03 01.36 +23 19 06.5 r G96
2013-01-13 04:53:17 C 05 03 01.44 +23 19 07.9 r G96
2013-01-13 05:00:54 C 05 03 01.51 +23 19 09.4 r G96
2013-01-19 03:10:09 C 05 05 20.90 +23 43 48.4 r G96
2013-01-19 03:18:42 C 05 05 21.04 +23 43 49.7 r G96
2013-01-19 03:27:14 C 05 05 21.19 +23 43 51.0 r G96
2013-01-19 03:35:48 C 05 05 21.33 +23 43 53.0 r G96
2017-01-08 06:07:40 C 09 49 59.64 +16 58 44.2 o 695
2017-01-08 06:21:09 C 09 49 59.07 +16 58 48.3 o 695
2017-01-08 06:28:03 C 09 49 58.74 +16 58 50.2 o 695
2017-01-08 06:34:48 C 09 49 58.44 +16 58 52.4 o 695
2017-01-08 06:41:32 C 09 49 58.18 +16 58 54.3 o 695
2017-01-09 06:29:47 C 09 48 55.10 +17 05 49.8 o 695
2017-01-09 06:50:06 C 09 48 54.19 +17 05 56.1 o 695
2017-01-09 06:56:51 C 09 48 53.86 +17 05 58.2 o 695
2023-04-14 13:30:59 C 16 49 31.001 -15 52 57.53 U F52
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)