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
2023-06-10 21:27:31 C 18 43 40.759 +35 41 57.30 q K40
2023-06-10 21:30:36 C 18 43 47.446 +35 44 38.47 q K40
2023-06-11 11:41:24 C 19 28 37.582 +49 29 08.63 V T05
2023-06-11 11:45:18 C 19 28 54.600 +49 33 13.43 V T05
2023-06-11 11:51:52 C 19 29 23.340 +49 40 04.40 V T05
2023-06-11 11:59:42 C 19 29 57.979 +49 48 16.45 V T05
2023-06-11 21:00:09 C 20 24 43.67 +58 53 46.0 X G02
2023-06-11 21:02:48 C 20 25 04.54 +58 56 20.0 X G02
2023-06-11 21:05:08 C 20 25 22.71 +58 58 37.2 X G02
2023-06-11 21:45:00 C 20 30 41.17 +59 36 01.6 V G33
2023-06-11 21:45:56 C 20 30 48.73 +59 36 54.8 V G33
2023-06-11 21:46:52 C 20 30 56.30 +59 37 47.8 V G33
2023-06-11 21:47:48 C 20 31 03.91 +59 38 40.7 V G33
2023-06-11 21:48:16 C 20 31 08.64 +59 39 04.7 V K85
2023-06-11 21:48:44 C 20 31 11.54 +59 39 33.7 V G33
2023-06-11 21:49:40 C 20 31 19.11 +59 40 26.5 V G33
2023-06-11 21:56:57 C 20 32 19.85 +59 47 17.7 V K85
2023-06-11 22:04:44 C 20 33 23.99 +59 54 33.2 V C23
2023-06-11 22:04:59 C 20 33 26.10 +59 54 47.4 V C23
2023-06-11 22:22:52 C 20 35 55.72 +60 11 32.0 V C23
2023-06-11 22:32:53 C 20 37 20.61 +60 20 50.0 V C23
2023-06-11 22:42:14 C 20 38 40.55 +60 29 27.5 V C23
2023-06-11 22:48:50 C 20 39 37.52 +60 35 32.4 V C23
2023-06-11 23:00:00 C 20 41 14.48 +60 45 44.6 V C23
2023-06-11 23:30:45 C 20 45 46.64 +61 13 26.6 V C23
2023-06-11 23:33:18 B 20 46 06.77 +61 15 43.2 V L65
2023-06-12 00:21:16 B 20 53 28.07 +61 57 37.6 V L65
2023-06-12 01:14:40 B 21 02 02.06 +62 42 19.4 V L65
2023-06-12 21:59:50 C 01 18 43.224 +65 47 23.46 V Z80
2023-06-12 22:04:35 C 01 19 30.802 +65 45 18.86 V Z80
2023-06-12 22:09:20 C 01 20 17.964 +65 43 13.62 V Z80
2023-06-13 00:10:13 B 01 39 12.81 +64 47 19.1 V L65
2023-06-13 00:18:01 B 01 40 21.29 +64 43 29.4 V L65
2023-06-13 00:32:10 B 01 42 23.86 +64 36 29.8 V L65
2023-06-13 11:18:23 C 02 50 38.44 +58 35 54.7 U I41
2023-06-13 11:18:52 C 02 50 40.65 +58 35 36.6 U I41
2023-06-13 11:21:49 C 02 50 53.42 +58 34 02.9 U I41
2023-06-13 11:22:19 C 02 50 55.81 +58 33 45.0 U I41
2023-06-13 11:25:16 C 02 51 09.16 +58 32 06.4 U I41
2023-06-13 11:25:46 C 02 51 11.36 +58 31 49.1 U I41
2023-06-13 11:28:43 C 02 51 24.83 +58 30 09.9 U I41
2023-06-13 11:29:13 C 02 51 26.98 +58 29 53.2 U I41
2024-01-19 13:35:09 C 08 36 35.604 +22 03 05.83 X F52
2024-01-19 14:11:11 C 08 36 32.910 +22 03 16.66 X F52
2024-01-19 14:29:18 C 08 36 31.589 +22 03 22.17 X 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)