438017 (2003 YO3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3660736886 ± 2.51e-08
Semi-major axis (a)1.4496613036 AU ± 1.66e-09
Inclination (i)24.61078614° ± 6.49e-06
Long. of Asc. Node (Ω)291.35583575° ± 9.48e-06
Arg. of Perihelion (ω)168.75357221° ± 1.21e-05
Mean Anomaly (M)183.65254278° ± 4.51e-06
Mean Motion (n)0.5646930683°/day ± 9.68e-10
Perihelion dist (q)0.91897844 AU ± 3.64e-08
Aphelion dist (Q)1.98034416 AU ± 3.64e-08
Orbital Period1.74541948 yr ± 2.99e-09
Physical Parameters
H (abs. magnitude)18.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.365″
Uncertainty0
Orbit TypeApollo
MOID0.059623 AU
Observations Used195
Radar Obs Used1
Oppositions6
Arc Total2003-2018
First Observation Used2003-12-18
Last Observation Used2025-03-02
Observations (217)
Date Type RA Dec Mag Band Observatory
2025-02-22 04:01:57 C 09 34 13.894 -76 22 11.86 V W68
2025-02-22 04:07:19 C 09 34 12.528 -76 22 09.98 V W68
2025-02-22 04:15:52 C 09 34 10.714 -76 22 06.71 V W68
2025-02-22 05:06:03 C 09 33 59.993 -76 21 48.17 V W68
2025-02-23 21:28:04 C 09 26 43.188 -76 06 13.97 V M22
2025-02-23 21:35:57 C 09 26 41.681 -76 06 10.33 V M22
2025-02-23 22:26:47 C 09 26 31.658 -76 05 48.19 V M22
2025-02-23 22:45:09 C 09 26 28.130 -76 05 41.75 V M22
2025-02-23 22:50:24 C 09 26 27.101 -76 05 39.80 V M22
2025-02-26 04:54:21 C 09 17 52.493 -75 42 07.52 V W68
2025-02-26 04:58:57 C 09 17 51.917 -75 42 05.29 V W68
2025-02-26 05:07:32 C 09 17 50.280 -75 42 00.90 V W68
2025-02-26 05:24:01 C 09 17 47.458 -75 41 53.02 V W68
2025-03-02 03:55:06 C 09 05 53.417 -74 54 24.98 V W68
2025-03-02 03:59:43 C 09 05 52.807 -74 54 21.71 V W68
2025-03-02 04:07:08 C 09 05 51.881 -74 54 18.29 V W68
2025-03-02 04:25:50 C 09 05 49.567 -74 54 07.88 V W68
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-01-09 19:04:00 93240171.09 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)