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
2015-12-20 01:38:05 C 09 17 35.45 +01 58 54.4 c A53
2015-12-20 01:41:11 C 09 17 38.52 +01 58 24.9 c A53
2015-12-20 01:44:17 C 09 17 41.61 +01 57 55.3 c A53
2015-12-22 23:19:46 S 11 31 08.77 -17 33 13.0 L C51
2020-08-21 13:41:46 S 03 56 37.699 +07 55 21.50 L C51
2020-08-21 16:50:05 S 03 55 11.326 +07 47 56.98 L C51
2020-08-21 18:24:20 S 03 54 28.116 +07 44 17.45 L C51
2020-08-29 10:35:04 C 02 30 34.17 +00 09 24.0 V 703
2020-08-29 10:58:19 C 02 30 23.77 +00 08 28.3 V 703
2020-08-29 13:09:59 C 02 29 26.71 +00 03 19.7 V T05
2020-08-29 13:13:57 C 02 29 25.01 +00 03 10.1 V T05
2020-08-29 13:21:45 C 02 29 21.47 +00 02 51.8 V T05
2020-08-29 13:29:05 C 02 29 18.27 +00 02 32.9 V T05
2020-09-09 00:05:53 C 00 56 01.56 -08 04 02.3 V K88
2020-09-09 00:16:04 C 00 55 58.43 -08 04 15.9 V K88
2020-09-09 00:26:15 C 00 55 55.34 -08 04 30.1 V K88
2020-09-09 00:37:50 C 00 55 51.82 -08 04 46.8 V K88
2020-09-09 00:40:56 C 00 55 50.88 -08 04 50.1 V K88
2020-09-09 00:44:05 C 00 55 49.92 -08 04 54.6 V K88
2020-09-09 11:10:06 C 00 52 44.40 -08 19 11.4 V T05
2020-09-09 11:18:04 C 00 52 42.04 -08 19 22.1 V T05
2020-09-09 11:31:21 C 00 52 38.04 -08 19 40.7 V T05
2020-09-09 11:32:41 C 00 52 37.62 -08 19 41.6 V T05
2020-09-09 11:34:00 C 00 52 37.25 -08 19 44.4 V T05
2020-09-10 11:00:01 C 00 45 53.76 -08 50 27.7 V T05
2020-09-10 11:04:40 C 00 45 52.40 -08 50 33.1 V T05
2020-09-10 11:08:39 C 00 45 51.30 -08 50 37.7 V T05
2020-09-10 11:39:48 C 00 45 42.32 -08 51 17.9 V T05
2020-09-13 10:21:15 C 00 27 17.80 -10 10 57.8 V T05
2020-09-13 10:25:54 C 00 27 16.63 -10 11 01.5 V T05
2020-09-13 10:35:19 C 00 27 14.33 -10 11 11.5 V T05
2020-09-13 10:43:25 C 00 27 12.27 -10 11 19.4 V T05
2020-09-13 11:01:08 C 00 27 07.920 -10 11 37.48 U F52
2020-09-13 11:17:46 C 00 27 03.809 -10 11 54.10 U F52
2020-09-13 11:34:24 C 00 26 59.681 -10 12 10.69 U F52
2020-09-13 11:51:06 C 00 26 55.551 -10 12 27.27 U F52
2020-09-14 11:44:14 C 00 21 19.32 -10 35 14.7 V T05
2020-09-14 11:48:53 C 00 21 18.21 -10 35 18.8 V T05
2020-09-14 12:00:50 C 00 21 15.48 -10 35 30.0 V T05
2020-09-14 12:51:39 C 00 21 03.50 -10 36 15.4 V T05
2020-09-15 08:04:38 C 00 16 46.56 -10 53 15.4 V G96
2020-09-15 08:12:41 C 00 16 44.91 -10 53 22.3 V G96
2020-09-15 08:20:43 C 00 16 43.09 -10 53 29.2 V G96
2020-09-15 08:28:45 C 00 16 41.31 -10 53 36.0 V G96
2020-09-16 10:08:09 C 00 11 15.07 -11 14 20.8 V T08
2020-09-16 10:14:09 C 00 11 13.78 -11 14 26.0 V T08
2020-09-16 10:20:07 C 00 11 12.51 -11 14 31.2 V T08
2020-09-16 10:42:11 C 00 11 07.84 -11 14 47.4 V T08
2020-09-17 10:49:54 C 00 06 17.62 -11 32 37.4 V T05
2020-09-17 10:55:10 C 00 06 16.56 -11 32 41.3 V T05
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)