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
2013-01-05 18:55:10 C 01 22 42.78 +69 53 18.4 c I57
2013-01-05 19:00:10 C 01 22 35.05 +69 51 01.0 c I57
2013-01-06 23:49:28 C 00 55 26.01 +54 43 12.2 16.7 r 726
2013-01-06 23:56:15 C 00 55 20.83 +54 39 02.5 16.8 r 726
2013-01-06 23:59:38 C 00 55 18.62 +54 37 04.5 16.9 r 726
2013-01-07 00:03:01 C 00 55 16.21 +54 35 04.8 16.7 r 726
2013-01-07 00:06:25 C 00 55 13.85 +54 33 06.4 17.0 r 726
2013-01-08 00:14:11 C 00 43 28.23 +39 49 11.2 q I15
2013-01-08 00:15:39 C 00 43 27.55 +39 48 15.1 q I15
2013-01-08 00:17:21 C 00 43 26.88 +39 47 12.6 q I15
2013-01-09 01:51:42 C 00 35 46.28 +24 17 00.1 16.7 c 704
2013-01-09 02:09:55 C 00 35 40.88 +24 06 28.9 17.3 c 704
2013-01-09 02:28:23 C 00 35 35.45 +23 55 49.6 17.7 c 704
2013-01-09 02:46:45 C 00 35 30.12 +23 45 14.8 17.9 c 704
2013-01-09 03:05:13 C 00 35 24.85 +23 34 37.3 17.8 c 704
2013-01-10 01:42:20 C 00 30 51.15 +11 39 55.4 17.4 c 704
2013-01-10 02:01:05 C 00 30 47.02 +11 30 56.9 17.6 c 704
2013-01-10 02:19:48 C 00 30 42.95 +11 22 00.4 17.6 c 704
2013-01-10 02:38:24 C 00 30 38.92 +11 13 08.2 17.7 c 704
2013-01-10 02:57:15 C 00 30 34.89 +11 04 09.8 18.1 c 704
2014-12-20 20:38:08 C 23 02 39.61 +61 19 55.7 q 204
2014-12-20 20:55:07 C 23 02 45.15 +61 19 04.5 q 204
2021-12-12 12:30:36 C 12 04 58.26 +07 02 42.6 o 691
2021-12-12 12:38:42 C 12 04 59.45 +07 02 15.1 o 691
2023-12-10 09:11:45 C 11 34 39.238 +56 17 31.20 V G96
2023-12-10 09:18:39 C 11 34 39.443 +56 17 35.27 V G96
2023-12-10 09:25:31 C 11 34 39.652 +56 17 39.70 V G96
2023-12-10 09:32:24 C 11 34 39.824 +56 17 43.94 V G96
2023-12-27 11:37:21 C 11 34 13.056 +66 00 13.57 V T08
2023-12-27 11:42:14 C 11 34 12.463 +66 00 29.92 V T08
2023-12-27 11:56:46 C 11 34 10.591 +66 01 21.79 V T08
2023-12-27 12:07:34 C 11 34 09.451 +66 01 59.63 V T08
2023-12-29 09:13:32 C 11 27 58.414 +68 54 25.67 V 703
2023-12-29 09:17:01 C 11 27 57.460 +68 54 41.94 V 703
2023-12-29 09:20:30 C 11 27 56.761 +68 54 56.52 V 703
2023-12-29 09:23:59 C 11 27 56.034 +68 55 14.27 V 703
2023-12-29 13:34:53 C 11 27 04.416 +69 14 23.32 V T05
2023-12-29 13:37:30 C 11 27 03.816 +69 14 35.56 V T05
2023-12-29 13:42:03 C 11 27 02.498 +69 14 56.98 V T05
2023-12-29 13:53:29 C 11 26 59.573 +69 15 50.26 V T05
2023-12-29 19:27:50 C 11 25 48.701 +69 39 49.82 V Z80
2023-12-29 19:39:56 C 11 25 46.402 +69 40 48.76 V Z80
2023-12-31 10:48:03 C 11 13 14.465 +73 16 53.54 V T08
2023-12-31 10:52:03 C 11 13 12.550 +73 17 20.40 V T08
2023-12-31 11:01:35 C 11 13 07.553 +73 18 23.90 V T08
2023-12-31 11:16:25 C 11 12 59.957 +73 20 02.51 V T08
2024-01-02 12:06:25 C 10 26 25.265 +79 33 12.56 V T05
2024-01-02 12:10:28 C 10 26 16.970 +79 33 49.54 V T05
2024-01-02 12:43:38 C 10 25 08.407 +79 38 53.52 V T05
2024-01-02 12:51:28 C 10 24 51.912 +79 40 04.84 V T05
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)