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
2024-10-06 07:19:26 C 20 10 38.074 +59 04 36.37 V T08
2024-10-06 07:24:06 C 20 10 37.322 +59 04 36.62 V T08
2024-10-06 07:32:05 C 20 10 35.916 +59 04 34.25 V T08
2024-10-06 07:50:03 C 20 10 33.264 +59 04 32.02 V T08
2024-10-09 03:08:24 C 20 00 39.132 +58 52 31.04 V G96
2024-10-09 03:20:16 C 20 00 37.393 +58 52 28.16 V G96
2024-10-09 04:05:32 C 20 00 30.629 +58 52 18.05 V G96
2024-10-22 04:46:00 C 19 24 46.307 +57 16 08.87 V G96
2024-10-22 04:53:33 C 19 24 45.623 +57 16 05.81 V G96
2024-10-22 05:01:05 C 19 24 44.935 +57 16 02.53 V G96
2024-10-22 05:08:39 C 19 24 44.208 +57 15 59.51 V G96
2024-10-24 06:02:24 C 19 20 34.154 +56 58 04.22 V T05
2024-10-24 06:08:18 C 19 20 33.677 +56 58 01.34 V T05
2024-10-24 06:25:28 C 19 20 32.158 +56 57 55.22 V T05
2024-10-24 06:45:12 C 19 20 30.444 +56 57 45.83 V T05
2024-10-30 05:11:55 C 19 10 10.978 +56 04 25.68 V T08
2024-10-30 05:15:15 C 19 10 10.519 +56 04 24.89 V T08
2024-10-30 05:25:57 C 19 10 09.814 +56 04 20.21 V T08
2024-10-30 05:26:37 C 19 10 09.790 +56 04 20.42 V T08
2024-10-30 05:31:56 C 19 10 09.214 +56 04 18.48 V T08
2024-11-10 02:58:20 C 18 56 29.173 +54 30 45.25 V G96
2024-11-10 03:05:52 C 18 56 28.788 +54 30 42.16 V G96
2024-11-10 03:13:25 C 18 56 28.432 +54 30 39.17 V G96
2024-11-10 03:20:57 C 18 56 28.086 +54 30 35.75 V G96
2024-11-19 02:24:59 C 18 47 49.326 +53 18 39.71 V G96
2024-11-19 02:32:22 C 18 47 49.013 +53 18 36.76 V G96
2024-11-19 02:39:44 C 18 47 48.696 +53 18 33.73 V G96
2024-11-19 02:47:07 C 18 47 48.376 +53 18 30.74 V G96
2025-01-21 08:04:46 C 14 16 06.494 -66 51 52.74 V W68
2025-01-21 08:09:35 C 14 16 04.166 -66 52 11.57 V W68
2025-01-21 08:38:19 C 14 15 50.222 -66 54 01.44 V W68
2025-01-21 08:58:59 C 14 15 40.234 -66 55 19.70 V W68
2025-02-02 06:50:06 C 12 04 42.134 -75 54 46.58 V W68
2025-02-02 06:54:42 C 12 04 39.970 -75 54 50.47 V W68
2025-02-02 07:26:50 C 12 04 24.742 -75 55 15.49 V W68
2025-02-02 07:32:47 C 12 04 22.030 -75 55 20.14 V W68
2025-02-04 00:53:58 C 11 46 47.782 -76 22 24.60 V M22
2025-02-04 00:58:35 C 11 46 45.626 -76 22 27.52 V M22
2025-02-04 01:03:13 C 11 46 43.399 -76 22 30.50 V M22
2025-02-04 01:16:55 C 11 46 37.250 -76 22 37.78 V M22
2025-02-04 01:29:45 C 11 46 31.466 -76 22 44.94 V M22
2025-02-04 02:12:56 C 11 46 11.830 -76 23 08.70 V M22
2025-02-04 02:54:13 C 11 45 53.158 -76 23 30.41 V M22
2025-02-06 05:41:12 C 11 25 27.667 -76 46 50.20 V W68
2025-02-06 05:45:46 C 11 25 25.550 -76 46 52.43 V W68
2025-02-06 06:06:08 C 11 25 16.949 -76 47 00.46 V W68
2025-02-11 22:58:41 C 10 36 28.682 -77 10 31.19 V M22
2025-02-11 23:24:54 C 10 36 19.862 -77 10 32.56 V M22
2025-02-11 23:29:29 C 10 36 18.144 -77 10 31.76 V M22
2025-02-11 23:34:08 C 10 36 16.810 -77 10 31.69 V M22
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)