2002 AY1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4371315678 ± 9.98e-08
Semi-major axis (a)0.7791607694 AU ± 1.64e-09
Inclination (i)29.89759821° ± 8.14e-06
Long. of Asc. Node (Ω)287.83699184° ± 1.26e-06
Arg. of Perihelion (ω)323.81564638° ± 3.54e-06
Mean Anomaly (M)149.08665955° ± 2.07e-05
Mean Motion (n)1.4330840404°/day ± 4.54e-09
Perihelion dist (q)0.43856500 AU ± 7.77e-08
Aphelion dist (Q)1.11975654 AU ± 7.78e-08
Orbital Period0.68776586 yr ± 2.18e-09
NGA Modelr2
A26.17302453e-14 ± 5.01e-16 AU/d²
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.430″
Uncertainty0
Orbit TypeAten
MOID0.007739 AU
Observations Used235
Radar Obs Used11
Oppositions10
Arc Total2002-2024
First Observation Used2002-01-07
Last Observation Used2024-01-14
Observations (265)
Date Type RA Dec Mag Band Observatory
2010-12-02 12:08:14 C 11 31 10.62 +18 50 24.7 o 291
2010-12-02 12:13:46 C 11 31 11.34 +18 50 11.3 o 291
2012-12-11 12:01:57 C 11 36 12.16 +56 36 00.4 t 711
2012-12-11 12:11:38 C 11 36 12.37 +56 36 06.9 t 711
2012-12-11 12:14:51 C 11 36 12.40 +56 36 08.9 t 711
2012-12-11 12:18:04 C 11 36 12.46 +56 36 11.0 t 711
2012-12-11 12:21:17 C 11 36 12.52 +56 36 13.4 t 711
2012-12-11 12:24:31 C 11 36 12.57 +56 36 15.7 t 711
2012-12-17 09:46:39 C 11 39 36.99 +58 36 11.0 o 695
2012-12-17 09:56:19 C 11 39 37.01 +58 36 22.5 o 695
2012-12-17 10:04:46 C 11 39 37.03 +58 36 32.7 o 695
2012-12-22 11:09:44 C 11 39 37.43 +61 31 39.1 18.9 c 704
2012-12-22 11:28:40 C 11 39 36.66 +61 32 16.0 19.0 c 704
2012-12-22 12:07:19 C 11 39 35.01 +61 33 30.0 19.1 c 704
2012-12-31 04:26:33 C 11 08 31.72 +74 18 49.4 t 204
2012-12-31 04:31:13 C 11 08 28.67 +74 19 21.4 t 204
2012-12-31 04:35:55 C 11 08 25.59 +74 19 53.8 t 204
2012-12-31 04:40:34 C 11 08 22.53 +74 20 25.7 t 204
2012-12-31 04:45:13 C 11 08 19.46 +74 20 57.7 t 204
2013-01-01 23:26:09 C 10 19 48.93 +80 07 50.9 q J84
2013-01-01 23:29:08 C 10 19 42.20 +80 08 19.6 q J84
2013-01-01 23:32:07 C 10 19 35.41 +80 08 48.3 q J84
2013-01-01 23:35:07 C 10 19 28.61 +80 09 17.0 q J84
2013-01-01 23:38:05 C 10 19 21.84 +80 09 45.5 q J84
2013-01-01 23:41:04 C 10 19 15.03 +80 10 14.1 q J84
2013-01-03 05:10:26 C 07 53 22.20 +84 25 40.7 t 204
2013-01-03 05:12:42 C 07 53 00.59 +84 25 52.4 t 204
2013-01-03 05:14:57 C 07 52 39.17 +84 26 03.9 t 204
2013-01-03 05:17:15 C 07 52 17.24 +84 26 15.6 t 204
2013-01-03 05:19:37 C 07 51 54.68 +84 26 27.6 t 204
2013-01-03 18:37:48 C 05 23 18.17 +84 39 28.5 o C77
2013-01-03 18:38:12 C 05 23 14.08 +84 39 27.0 o C77
2013-01-03 18:38:34 C 05 23 10.45 +84 39 25.9 o C77
2013-01-03 18:38:57 C 05 23 03.84 +84 39 23.0 o C77
2013-01-03 18:39:19 C 05 23 00.08 +84 39 22.0 o C77
2013-01-03 18:39:42 C 05 22 55.20 +84 39 20.0 o C77
2013-01-03 18:40:06 C 05 22 50.62 +84 39 18.7 o C77
2013-01-04 13:17:58 C 02 44 18.93 +81 03 15.7 o 300
2013-01-04 13:19:16 C 02 44 11.77 +81 02 52.4 o 300
2013-01-04 13:23:10 C 02 43 51.40 +81 01 44.4 o 300
2013-01-04 13:25:42 C 02 43 37.59 +81 01 00.2 o 300
2013-01-04 13:34:14 C 02 42 52.75 +80 58 28.5 o 300
2013-01-04 13:40:30 C 02 42 19.39 +80 56 39.4 o 300
2013-01-04 13:41:19 C 02 42 14.90 +80 56 24.0 o 300
2013-01-04 13:43:15 C 02 42 05.22 +80 55 49.9 o 300
2013-01-04 13:44:03 C 02 42 00.89 +80 55 35.2 o 300
2013-01-05 00:41:18 C 02 00 24.02 +77 21 32.0 16.0 r 726
2013-01-05 00:44:41 C 02 00 13.44 +77 20 19.2 15.8 r 726
2013-01-05 00:48:30 C 02 00 01.51 +77 18 56.7 16.3 r 726
2013-01-05 18:50:56 C 01 22 49.47 +69 55 15.1 c I57
Radar Observations (11)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-01-09 20:56:00 -61850.72 1 Hz 2380 -1 -1
2002-01-09 22:34:00 69200091.8 1 us 2380 -1 -1
2002-01-09 23:00:00 69244372.3 1 us 2380 -1 -1
2013-01-06 04:50:00 408751.699 0.5 Hz 8560 -14 -14
2013-01-06 05:30:00 41775360.55 3 us 8560 -14 -14
2013-01-08 02:50:00 -47060.06 0.4 Hz 8560 -14 -14
2013-01-08 03:10:00 38057626.94 2 us 8560 -14 -14
2013-01-08 03:40:00 38069355.87 1 us 8560 -14 -14
2024-01-06 10:20:00 502024.865 0.4 Hz 8560 -14 -14
2024-01-06 11:20:00 44914399.71 1 us 8560 -14 -14
2024-01-08 04:20:00 39103261.59 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)