2024 YU4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7281106696 ± 9.20e-08
Semi-major axis (a)1.8633625507 AU ± 1.80e-08
Inclination (i)27.79673095° ± 1.04e-05
Long. of Asc. Node (Ω)141.54102257° ± 2.53e-06
Arg. of Perihelion (ω)100.28495550° ± 1.82e-05
Mean Anomaly (M)93.19079471° ± 1.94e-06
Mean Motion (n)0.3874951149°/day ± 5.62e-09
Perihelion dist (q)0.50662840 AU ± 1.71e-07
Aphelion dist (Q)3.22009671 AU ± 1.74e-07
Orbital Period2.54358377 yr ± 3.69e-08
Physical Parameters
H (abs. magnitude)19.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.230″
Uncertainty0
Orbit TypeApollo
MOID0.009471 AU
Observations Used189
Radar Obs Used2
Oppositions14
Arc Total2002-2025
First Observation Used2002-02-09
Last Observation Used2025-02-09
Observations (208)
Date Type RA Dec Mag Band Observatory
2002-02-08 02:33:53 C 06 09 59.00 -01 11 39.2 X 645
2002-02-08 02:35:05 C 06 09 58.80 -01 11 37.5 X 645
2002-02-08 02:38:40 C 06 09 58.19 -01 11 31.3 X 645
2002-02-09 02:31:31 C 06 05 57.34 -00 32 32.4 X 645
2002-02-09 02:32:42 C 06 05 57.15 -00 32 30.7 X 645
2002-02-09 02:36:17 C 06 05 56.51 -00 32 24.4 X 645
2024-12-01 11:10:13 C 09 22 21.45 -06 55 09.8 V G96
2024-12-01 11:17:34 C 09 22 21.77 -06 55 13.0 V G96
2024-12-01 11:32:19 C 09 22 22.45 -06 55 19.8 V G96
2024-12-02 11:23:11 C 09 23 32.57 -07 05 07.6 V G96
2024-12-02 11:30:35 C 09 23 32.85 -07 05 10.0 V G96
2024-12-25 13:52:24 C 09 50 41.358 -10 56 12.06 X F51
2024-12-25 14:09:27 C 09 50 42.180 -10 56 19.20 X F51
2024-12-25 14:26:29 C 09 50 42.991 -10 56 26.21 X F51
2024-12-25 14:43:33 C 09 50 43.814 -10 56 33.24 X F51
2024-12-26 07:39:52 C 09 51 36.150 -11 03 25.60 V 807
2024-12-26 07:43:20 C 09 51 36.330 -11 03 27.00 V 807
2024-12-26 07:47:54 C 09 51 36.540 -11 03 28.90 V 807
2024-12-26 10:41:29 C 09 51 45.443 -11 04 51.96 V I52
2024-12-26 10:48:29 C 09 51 45.752 -11 04 55.38 V I52
2024-12-26 11:10:11 C 09 51 46.814 -11 05 04.45 V I52
2024-12-27 00:34:12 C 09 52 28.68 -11 10 38.6 V L01
2024-12-27 00:38:27 C 09 52 28.87 -11 10 40.6 V L01
2024-12-27 00:41:28 C 09 52 29.08 -11 10 42.3 V L01
2024-12-27 07:57:53 C 09 52 51.470 -11 13 29.10 u 807
2024-12-27 08:03:13 C 09 52 51.730 -11 13 31.50 u 807
2024-12-27 08:07:29 C 09 52 51.950 -11 13 33.20 u 807
2024-12-27 10:06:54 C 09 52 58.307 -11 14 34.58 V G96
2024-12-27 10:14:20 C 09 52 58.616 -11 14 37.43 V G96
2024-12-27 10:21:45 C 09 52 58.987 -11 14 40.52 V G96
2024-12-27 10:29:11 C 09 52 59.354 -11 14 43.44 V G96
2024-12-28 09:48:48 C 09 54 12.762 -11 24 21.67 V G96
2024-12-28 09:56:18 C 09 54 13.093 -11 24 24.08 V G96
2024-12-28 10:03:47 C 09 54 13.464 -11 24 27.79 V G96
2024-12-28 10:11:14 C 09 54 13.849 -11 24 32.18 V G96
2024-12-30 08:39:59 C 09 56 42.920 -11 43 37.10 V 691
2024-12-30 08:45:47 C 09 56 43.220 -11 43 39.50 V 691
2024-12-30 08:51:35 C 09 56 43.500 -11 43 42.30 V 691
2024-12-30 12:03:10 C 09 56 53.868 -11 44 58.48 X F51
2024-12-30 12:20:02 C 09 56 54.728 -11 45 05.38 X F51
2024-12-30 12:36:54 C 09 56 55.587 -11 45 12.43 X F51
2024-12-30 12:53:43 C 09 56 56.441 -11 45 19.36 X F51
2024-12-31 09:17:28 C 09 58 03.410 -11 53 41.30 V 691
2024-12-31 09:36:31 C 09 58 04.390 -11 53 49.40 V 691
2024-12-31 09:55:28 C 09 58 05.370 -11 53 57.20 V 691
2025-01-02 10:47:17 C 10 00 49.640 -12 13 48.72 V I52
2025-01-02 10:56:29 C 10 00 50.083 -12 13 52.72 V I52
2025-01-02 11:03:11 C 10 00 50.440 -12 13 55.34 V I52
2025-01-02 11:10:20 C 10 00 50.850 -12 13 58.33 V I52
2025-01-02 12:39:28 C 10 00 56.286 -12 14 32.13 X F52
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2025-02-09 13:40:00 79660265.64 10 us 8560 -14 -14
2025-02-10 14:20:00 87059893.35 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)