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
2015-12-13 02:58:56 C 08 04 52.67 +12 51 06.0 17.8 u J43
2015-12-13 03:11:12 C 08 04 54.84 +12 50 47.1 17.9 u J43
2015-12-13 03:23:24 C 08 04 57.03 +12 50 27.9 17.8 u J43
2015-12-13 03:35:37 C 08 04 59.18 +12 50 09.1 17.8 u J43
2015-12-14 08:07:40 C 08 10 57.30 +12 00 48.0 u H15
2015-12-14 08:22:40 C 08 11 00.55 +12 00 19.3 u H15
2015-12-14 08:36:24 C 08 11 03.57 +11 59 52.6 u H15
2015-12-14 09:46:10 C 08 11 18.91 +11 57 36.5 R G45
2015-12-14 09:53:07 C 08 11 20.45 +11 57 22.7 R G45
2015-12-14 10:02:02 C 08 11 22.43 +11 57 05.6 R G45
2015-12-14 10:16:41 C 08 11 25.67 +11 56 36.3 R G45
2015-12-15 10:38:46 C 08 17 41.87 +11 03 12.5 q H45
2015-12-15 10:40:50 C 08 17 42.44 +11 03 07.5 q H45
2015-12-15 10:41:48 C 08 17 42.67 +11 03 05.4 q H45
2015-12-15 10:42:55 C 08 17 42.99 +11 03 02.1 q H45
2015-12-15 10:44:22 C 08 17 43.38 +11 02 59.2 q H45
2015-12-15 10:45:48 C 08 17 43.79 +11 02 55.3 q H45
2015-12-15 10:47:06 C 08 17 44.13 +11 02 52.2 q H45
2015-12-15 10:48:24 C 08 17 44.48 +11 02 49.0 q H45
2015-12-17 03:33:40 C 08 31 48.03 +08 59 56.6 q 204
2015-12-17 03:35:11 C 08 31 48.65 +08 59 51.0 q 204
2015-12-17 03:36:42 C 08 31 49.26 +08 59 45.4 q 204
2015-12-17 03:38:13 C 08 31 49.88 +08 59 39.7 q 204
2015-12-17 03:39:45 C 08 31 50.50 +08 59 34.0 q 204
2015-12-17 09:55:11 C 08 34 32.97 +08 35 41.2 q H45
2015-12-17 09:56:43 C 08 34 33.64 +08 35 35.0 q H45
2015-12-17 09:57:38 C 08 34 34.00 +08 35 31.4 q H45
2015-12-17 09:58:54 C 08 34 34.56 +08 35 26.4 q H45
2015-12-17 10:00:42 C 08 34 35.31 +08 35 19.3 q H45
2015-12-17 10:02:07 C 08 34 35.92 +08 35 13.5 q H45
2015-12-17 10:03:31 C 08 34 36.56 +08 35 07.9 q H45
2015-12-17 10:05:06 C 08 34 37.21 +08 35 01.5 q H45
2015-12-17 10:23:15 C 08 34 45.98 +08 33 51.1 R G45
2015-12-17 10:28:50 C 08 34 48.38 +08 33 28.7 R G45
2015-12-17 10:35:08 C 08 34 51.11 +08 33 03.1 R G45
2015-12-17 10:43:12 C 08 34 54.60 +08 32 30.7 R G45
2015-12-17 10:47:15 C 08 34 56.64 +08 32 15.9 q 703
2015-12-17 10:49:30 C 08 34 57.32 +08 32 05.3 R G45
2015-12-17 10:53:44 C 08 34 59.46 +08 31 49.6 q 703
2015-12-17 11:00:15 C 08 35 02.27 +08 31 23.4 q 703
2015-12-17 11:00:41 C 08 35 02.18 +08 31 20.0 R G45
2015-12-17 11:06:44 C 08 35 05.00 +08 30 57.0 q 703
2015-12-17 11:06:50 C 08 35 04.84 +08 30 55.1 R G45
2015-12-17 11:06:59 C 08 35 04.91 +08 30 54.6 R G45
2015-12-17 11:12:18 C 08 35 07.23 +08 30 32.9 R G45
2015-12-17 11:15:06 C 08 35 08.44 +08 30 21.6 R G45
2015-12-17 11:18:22 C 08 35 09.87 +08 30 08.3 R G45
2015-12-17 11:26:22 C 08 35 13.36 +08 29 36.0 R G45
2015-12-17 11:33:00 C 08 35 16.27 +08 29 08.6 R G45
2015-12-18 10:32:58 C 08 47 12.31 +06 41 04.8 u H21
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)