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
2023-04-14 13:47:45 C 16 49 31.584 -15 52 56.20 U F52
2023-04-14 14:04:25 C 16 49 32.162 -15 52 54.59 U F52
2023-04-24 13:10:18 C 16 57 50.236 -15 25 42.50 U F52
2023-04-24 13:24:05 C 16 57 50.631 -15 25 40.53 U F52
2023-04-24 13:51:39 C 16 57 51.415 -15 25 36.58 U F52
2023-05-14 08:19:02 C 17 10 38.357 -13 37 07.75 V W68
2023-05-14 08:24:19 C 17 10 38.434 -13 37 06.31 V W68
2023-05-14 08:33:37 C 17 10 38.640 -13 37 02.06 V W68
2023-05-14 08:49:29 C 17 10 38.909 -13 36 56.52 V W68
2023-05-14 18:13:22 C 17 10 52.35 -13 33 58.1 V D29
2023-05-14 18:36:16 C 17 10 52.73 -13 33 49.2 V D29
2023-05-14 18:59:11 C 17 10 53.20 -13 33 41.3 V D29
2023-05-17 23:47:39 C 17 12 36.46 -13 02 50.7 V C40
2023-05-17 23:56:26 C 17 12 36.58 -13 02 46.6 V C40
2023-05-18 00:05:06 C 17 12 36.70 -13 02 42.6 V C40
2023-05-18 23:58:14 C 17 13 08.69 -12 51 44.4 V C40
2023-05-19 00:06:59 C 17 13 08.88 -12 51 39.7 V C40
2023-05-19 00:15:37 C 17 13 09.05 -12 51 34.7 V C40
2023-05-19 23:20:28 C 17 13 40.831 -12 39 39.42 V M22
2023-05-19 23:23:07 C 17 13 40.877 -12 39 38.23 V M22
2023-05-19 23:27:04 C 17 13 40.946 -12 39 36.18 V M22
2023-05-19 23:34:22 C 17 13 41.059 -12 39 32.18 V M22
2023-05-20 17:45:37 C 17 14 05.40 -12 30 31.4 V D29
2023-05-20 18:05:59 C 17 14 05.70 -12 30 20.4 V D29
2023-05-21 06:22:35 C 17 14 22.717 -12 23 03.53 V W87
2023-05-21 06:52:31 C 17 14 23.165 -12 22 46.51 V W87
2023-05-21 07:26:38 C 17 14 23.682 -12 22 27.19 V W87
2023-05-21 07:52:20 C 17 14 24.084 -12 22 12.37 V W87
2023-05-21 08:22:20 C 17 14 24.569 -12 21 54.94 V W87
2023-05-21 08:39:29 C 17 14 24.847 -12 21 44.96 V W87
2023-05-24 00:21:40 C 17 15 57.71 -11 42 11.7 V C23
2023-05-24 00:25:59 C 17 15 57.77 -11 42 08.6 V C23
2023-05-24 00:29:13 C 17 15 57.81 -11 42 06.6 V C23
2023-05-24 22:45:35 C 17 16 32.587 -11 24 52.78 V M22
2023-05-24 23:22:16 C 17 16 33.209 -11 24 24.44 V M22
2023-05-24 23:41:54 C 17 16 33.545 -11 24 09.36 V M22
2023-05-25 00:29:39 C 17 16 34.356 -11 23 32.17 V M22
2023-05-25 00:34:16 C 17 16 34.442 -11 23 28.43 V M22
2023-05-25 00:42:46 C 17 16 34.574 -11 23 21.70 V M22
2023-05-25 01:22:17 C 17 16 35.266 -11 22 50.63 V M22
2023-05-27 00:43:20 C 17 17 56.18 -10 42 47.3 V C23
2023-05-27 00:46:35 C 17 17 56.27 -10 42 44.0 V C23
2023-05-27 00:49:49 C 17 17 56.33 -10 42 40.5 V C23
2023-05-27 01:48:31 C 17 17 57.63 -10 41 44.3 V C23
2023-05-27 21:31:36 C 17 18 36.653 -10 20 53.34 V M22
2023-05-27 21:33:37 C 17 18 36.696 -10 20 51.29 V M22
2023-05-27 21:41:57 C 17 18 36.890 -10 20 42.65 V M22
2023-05-27 22:13:42 C 17 18 37.582 -10 20 09.20 V M22
2023-05-27 23:54:18 C 17 18 40.32 -10 19 19.1 V C23
2023-05-28 00:01:10 C 17 18 40.50 -10 19 12.9 V C23
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)