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
2015-07-08 07:51:06 C 20 06 40.04 -19 15 53.0 q G96
2015-07-08 07:59:53 C 20 06 39.24 -19 15 49.6 q G96
2015-07-08 08:08:41 C 20 06 38.48 -19 15 46.3 q G96
2015-07-08 08:17:28 C 20 06 37.71 -19 15 43.2 q G96
2015-07-23 02:23:13 C 19 34 34.36 -16 50 31.3 u 807
2015-07-23 02:29:36 C 19 34 33.79 -16 50 27.9 u 807
2015-07-23 02:35:58 C 19 34 33.19 -16 50 25.6 u 807
2017-08-03 10:21:25 C 23 01 16.830 +30 11 45.69 L F51
2017-08-03 10:39:14 C 23 01 16.095 +30 12 11.45 L F51
2017-08-03 10:57:12 C 23 01 15.346 +30 12 37.61 L F51
2017-08-03 11:15:28 C 23 01 14.599 +30 13 03.69 L F51
2017-10-21 20:38:34 S 19 43 32.040 +47 41 28.46 L C51
2017-10-22 06:04:04 S 19 43 10.50 +47 38 02.8 L C51
2017-10-22 10:46:49 S 19 42 59.79 +47 36 22.0 L C51
2017-10-22 15:29:45 S 19 42 49.18 +47 34 37.8 L C51
2017-10-22 17:04:00 S 19 42 45.53 +47 34 05.0 L C51
2017-10-23 05:38:11 S 19 42 18.67 +47 29 31.7 L C51
2017-10-29 06:10:42 S 19 38 33.216 +46 38 41.24 L C51
2017-12-07 04:59:50 C 19 58 46.47 +42 30 29.4 U T08
2017-12-07 05:11:57 C 19 58 47.27 +42 30 25.3 U T08
2017-12-07 05:20:35 C 19 58 47.50 +42 30 22.6 U T08
2017-12-07 05:24:36 C 19 58 47.69 +42 30 20.8 U T08
2017-12-18 01:59:05 C 20 15 00.58 +40 23 13.6 U I41
2017-12-18 02:01:25 C 20 15 00.73 +40 23 11.7 U I41
2017-12-18 03:48:38 C 20 15 08.23 +40 21 45.5 U I41
2017-12-18 03:51:00 C 20 15 08.40 +40 21 43.5 U I41
2018-02-17 21:37:23 S 06 12 56.969 -69 03 22.39 L C51
2018-02-18 07:02:54 S 06 14 35.02 -68 57 37.1 L C51
2018-02-18 10:11:24 S 06 15 07.284 -68 55 41.59 L C51
2018-02-18 13:19:54 S 06 15 39.14 -68 53 48.3 L C51
2018-02-18 16:28:24 S 06 16 10.81 -68 51 53.2 L C51
2018-02-18 19:36:54 S 06 16 42.24 -68 49 59.1 L C51
2018-02-18 22:45:25 S 06 17 13.649 -68 48 05.18 L C51
2018-02-19 01:53:55 S 06 17 44.49 -68 46 09.2 L C51
2018-02-19 08:10:55 S 06 18 46.11 -68 42 22.4 L C51
2022-07-02 10:49:56 C 20 29 39.084 -17 52 27.45 U F52
2022-07-02 11:06:29 C 20 29 37.841 -17 52 21.44 U F52
2022-07-02 11:23:00 C 20 29 36.591 -17 52 15.43 U F52
2022-07-02 11:39:30 C 20 29 35.359 -17 52 08.86 U F52
2024-08-29 06:43:33 C 22 42 08.374 +49 16 17.54 V W16
2024-08-29 07:00:33 C 22 42 06.336 +49 16 41.45 V W16
2024-08-29 07:17:32 C 22 42 04.349 +49 17 05.35 V W16
2024-09-28 05:29:33 C 20 43 08.623 +59 07 00.88 V G96
2024-09-28 05:48:35 C 20 43 05.095 +59 07 02.96 V G96
2024-09-28 05:58:10 C 20 43 03.306 +59 07 04.30 V G96
2024-09-28 06:07:45 C 20 43 01.513 +59 07 05.09 V G96
2024-10-02 07:23:26 C 20 26 04.238 +59 12 36.68 V T08
2024-10-02 07:28:06 C 20 26 03.374 +59 12 37.48 V T08
2024-10-02 07:37:25 C 20 26 01.709 +59 12 36.90 V T08
2024-10-02 07:54:03 C 20 25 58.872 +59 12 34.63 V T08
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)