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
1994-12-01 10:30:52 c 08 31 05.57 +15 53 03.9 i 691
1994-12-01 11:05:24 c 08 31 00.60 +15 53 34.8 i 691
1994-12-01 11:39:55 c 08 30 54.93 +15 54 07.3 i 691
1994-12-02 07:18:53 c 08 27 59.80 +16 12 08.8 i 691
1994-12-02 07:30:26 c 08 27 58.01 +16 12 19.5 i 691
1994-12-02 07:41:57 c 08 27 56.25 +16 12 30.2 i 691
1994-12-02 12:28:53 c 08 27 11.75 +16 16 53.7 i 691
1994-12-02 12:40:27 c 08 27 09.97 +16 17 04.1 i 691
1994-12-02 12:51:52 c 08 27 08.20 +16 17 14.4 i 691
1994-12-03 11:40:50 c 08 23 42.43 +16 37 51.8 i 691
1994-12-03 11:52:31 c 08 23 40.62 +16 38 01.8 i 691
1994-12-03 12:11:12 c 08 23 37.70 +16 38 18.4 i 691
1994-12-05 18:35:00 C 08 15 23.06 +17 26 06.7 z 360
1994-12-05 18:41:30 C 08 15 22.02 +17 26 12.5 z 360
1994-12-08 08:19:01 c 08 05 58.55 +18 17 48.4 i 691
1994-12-08 08:54:29 c 08 05 52.95 +18 18 17.5 i 691
1994-12-09 16:30:44 C 08 01 03.40 +18 43 35.4 z 360
1994-12-09 16:41:00 C 08 01 01.83 +18 43 43.8 z 360
1994-12-10 08:52:30 c 07 58 33.66 +18 56 22.6 i 691
1994-12-10 09:03:34 c 07 58 31.96 +18 56 31.1 i 691
1994-12-10 09:15:11 c 07 58 30.12 +18 56 40.5 i 691
1994-12-26 19:35:38 C 07 02 57.14 +22 48 55.7 z 104
1994-12-26 19:41:00 C 07 02 56.61 +22 48 58.3 z 104
1994-12-26 19:45:29 C 07 02 55.92 +22 49 00.9 z 104
1994-12-26 20:03:20 C 07 02 53.80 +22 49 08.9 z 104
1994-12-28 06:45:25 c 06 58 43.63 +23 02 44.8 i 691
1994-12-28 06:57:21 c 06 58 42.21 +23 02 49.5 i 691
1994-12-28 07:09:12 c 06 58 40.75 +23 02 54.0 i 691
1995-01-07 07:50:21 C 06 34 21.40 +24 11 51.1 i 691
2005-05-12 09:10:28 C 16 31 30.74 -12 42 22.8 19.1 c 704
2005-05-12 09:25:10 C 16 31 30.19 -12 42 18.5 19.3 c 704
2005-05-12 09:40:23 C 16 31 29.62 -12 42 13.0 19.4 c 704
2005-05-12 09:55:09 C 16 31 28.95 -12 42 06.3 19.4 c 704
2005-05-12 10:09:59 C 16 31 28.36 -12 42 01.3 19.2 c 704
2005-05-16 06:55:25 C 16 27 33.43 -12 03 31.4 18.3 c 704
2005-05-16 07:08:55 C 16 27 32.65 -12 03 25.3 18.6 c 704
2005-05-16 07:22:23 C 16 27 31.95 -12 03 18.6 18.8 c 704
2005-05-16 07:35:51 C 16 27 31.09 -12 03 13.1 18.6 c 704
2005-05-16 07:49:25 C 16 27 30.38 -12 03 06.1 18.8 c 704
2005-05-16 08:32:46 C 16 27 28.06 -12 02 46.4 r G96
2005-05-16 08:46:20 C 16 27 27.29 -12 02 40.3 r G96
2005-05-16 08:59:56 C 16 27 26.53 -12 02 33.9 r G96
2005-05-16 09:13:27 C 16 27 25.80 -12 02 26.9 r G96
2005-05-17 03:38:08 C 16 26 28.46 -11 53 31.6 r I77
2005-05-17 03:39:19 C 16 26 29.32 -11 53 51.1 r 649
2005-05-17 03:44:16 C 16 26 28.05 -11 53 28.4 r I77
2005-05-17 03:56:17 C 16 26 27.38 -11 53 23.1 r I77
2005-05-17 03:57:12 C 16 26 28.32 -11 53 42.5 r 649
2005-05-17 04:00:38 C 16 26 28.08 -11 53 41.1 r 649
2005-05-17 04:06:36 C 16 26 27.69 -11 53 38.4 r 649
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)