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
2023-06-04 00:31:56 C 17 27 45.64 -04 58 11.2 V C23
2023-06-04 15:56:33 V 17 29 19.49 -04 00 33.1 V 270
2023-06-04 15:56:33 v 1 134.17901 +34.51197 270
2023-06-04 16:06:13 V 17 29 20.23 -03 59 57.4 V 270
2023-06-04 16:06:13 v 1 134.17901 +34.51197 270
2023-06-04 16:16:05 V 17 29 21.18 -03 59 13.7 V 270
2023-06-04 16:16:05 v 1 134.17901 +34.51197 270
2023-06-04 16:27:14 V 17 29 22.14 -03 58 29.2 V 270
2023-06-04 16:27:14 v 1 134.17901 +34.51197 270
2023-06-04 19:38:44 B 17 29 47.129 -03 45 34.74 X L76
2023-06-04 19:44:49 B 17 29 47.738 -03 45 09.54 X L76
2023-06-04 19:50:54 B 17 29 48.329 -03 44 43.76 X L76
2023-06-04 19:56:59 B 17 29 48.936 -03 44 18.28 X L76
2023-06-04 20:03:04 B 17 29 49.538 -03 43 52.82 X L76
2023-06-04 20:09:08 B 17 29 50.126 -03 43 27.23 X L76
2023-06-04 21:25:54 C 17 29 59.68 -03 38 05.9 V C23
2023-06-04 21:30:12 C 17 30 00.12 -03 37 47.5 V C23
2023-06-04 21:35:36 C 17 30 00.70 -03 37 24.8 V C23
2023-06-04 22:21:37 C 17 30 03.577 -03 34 04.19 V 089
2023-06-04 22:24:29 C 17 30 03.856 -03 33 51.80 V 089
2023-06-04 22:30:13 C 17 30 04.421 -03 33 26.86 V 089
2023-06-04 22:33:05 C 17 30 04.758 -03 33 14.56 V 089
2023-06-04 22:35:57 C 17 30 05.031 -03 33 02.63 V 089
2023-06-04 22:38:49 C 17 30 05.285 -03 32 50.24 V 089
2023-06-04 22:41:41 C 17 30 05.602 -03 32 37.42 V 089
2023-06-04 22:44:33 C 17 30 05.851 -03 32 24.96 V 089
2023-06-04 22:47:25 C 17 30 06.097 -03 32 12.19 V 089
2023-06-05 00:13:16 C 17 30 17.102 -03 26 02.36 V Z80
2023-06-05 00:16:17 C 17 30 17.441 -03 25 49.08 V Z80
2023-06-05 00:19:17 C 17 30 17.736 -03 25 36.19 V Z80
2023-06-05 20:50:40 V 17 33 06.94 -01 43 42.0 V 270
2023-06-05 20:50:40 v 1 006.12647 +48.68827 270
2023-06-05 21:09:09 V 17 33 09.62 -01 41 55.3 V 270
2023-06-05 21:09:09 v 1 006.12647 +48.68827 270
2023-06-05 21:13:34 C 17 33 09.92 -01 41 35.1 V C23
2023-06-05 21:20:37 V 17 33 10.99 -01 40 54.8 V 270
2023-06-05 21:20:37 v 1 006.12647 +48.68827 270
2023-06-05 21:27:22 V 17 33 11.92 -01 40 15.6 V 270
2023-06-05 21:27:22 v 1 006.12647 +48.68827 270
2023-06-05 21:34:03 C 17 33 12.75 -01 39 39.5 V C23
2023-06-05 21:50:13 C 17 33 14.95 -01 38 08.5 V C23
2023-06-05 22:01:25 C 17 33 14.94 -01 37 02.4 X L18
2023-06-05 22:02:16 C 17 33 15.04 -01 36 57.5 X L18
2023-06-05 22:03:08 C 17 33 15.17 -01 36 52.7 X L18
2023-06-05 22:03:59 C 17 33 15.28 -01 36 47.7 X L18
2023-06-05 22:04:51 C 17 33 15.40 -01 36 42.8 X L18
2023-06-05 22:08:01 C 17 33 17.37 -01 36 26.9 V K85
2023-06-05 22:14:01 C 17 33 18.18 -01 35 52.7 V K85
2023-06-05 22:54:35 C 17 33 23.79 -01 32 01.4 V C23
2023-06-05 22:57:55 B 17 33 23.885 -01 31 44.69 V L65
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)