452302 (1995 YR1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8268018692 ± 9.97e-09
Semi-major axis (a)1.6981635829 AU ± 5.43e-09
Inclination (i)3.58174276° ± 2.64e-06
Long. of Asc. Node (Ω)106.51518275° ± 1.64e-05
Arg. of Perihelion (ω)110.03233783° ± 1.64e-05
Mean Anomaly (M)153.91979396° ± 7.93e-06
Mean Motion (n)0.4453925940°/day ± 2.14e-09
Perihelion dist (q)0.29411876 AU ± 1.70e-08
Aphelion dist (Q)3.10220841 AU ± 1.96e-08
Orbital Period2.21293820 yr ± 1.06e-08
Physical Parameters
H (abs. magnitude)20.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.271″
Uncertainty0
Orbit TypeApollo
MOID0.014075 AU
Observations Used201
Radar Obs Used4
Oppositions11
Arc Total1995-2020
First Observation Used1995-12-22
Last Observation Used2020-10-11
Observations (223)
Date Type RA Dec Mag Band Observatory
2020-09-17 11:05:16 C 00 06 14.56 -11 32 47.3 V T05
2020-09-17 11:23:06 C 00 06 10.96 -11 33 01.2 V T05
2020-09-19 09:02:55 C 23 57 45.213 -12 02 30.52 U F52
2020-09-19 09:18:31 C 23 57 42.422 -12 02 40.07 U F52
2020-09-19 09:34:06 C 23 57 39.593 -12 02 49.07 U F52
2020-09-19 09:49:44 C 23 57 36.770 -12 02 58.24 U F52
2020-09-19 10:06:56 C 23 57 33.671 -12 03 08.37 U F52
2020-09-19 10:22:37 C 23 57 30.842 -12 03 17.68 U F52
2020-09-19 10:54:02 C 23 57 25.186 -12 03 36.08 U F52
2020-09-24 05:38:58 C 23 39 53.71 -12 57 07.2 V G96
2020-09-24 05:55:59 C 23 39 51.38 -12 57 13.4 V G96
2020-09-24 06:04:10 C 23 39 50.24 -12 57 16.1 V G96
2020-09-24 06:12:19 C 23 39 49.13 -12 57 19.3 V G96
2020-10-10 05:34:54 C 23 07 32.28 -13 48 23.6 V G96
2020-10-10 05:42:22 C 23 07 31.91 -13 48 23.6 V G96
2020-10-10 05:49:49 C 23 07 31.51 -13 48 24.4 V G96
2020-10-10 05:57:14 C 23 07 31.11 -13 48 23.3 V G96
2020-10-10 07:48:41 C 23 07 26.139 -13 48 18.66 U F51
2020-10-10 08:04:50 C 23 07 25.314 -13 48 18.68 U F51
2020-10-10 08:20:58 C 23 07 24.525 -13 48 18.12 U F51
2020-10-11 09:02:31 C 23 06 18.108 -13 47 30.16 U F51
2020-10-11 09:19:53 C 23 06 17.309 -13 47 29.37 U F51
2020-10-11 09:54:31 C 23 06 15.713 -13 47 28.05 U F51
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-18 06:56:00 105625259.84 4 us 2380 -1 -1
2015-12-18 08:14:00 104757886.73 0.5 us 2380 -1 -1
2015-12-22 09:20:00 865924.98 2 Hz 8560 -14 -14
2015-12-22 09:50:00 49589169.844 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)