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
2024-01-04 09:18:31 C 05 53 01.046 +84 44 58.88 V T08
2024-01-04 09:31:31 C 05 50 22.430 +84 44 27.20 V T08
2024-01-04 09:46:42 C 05 47 16.795 +84 43 46.74 V T08
2024-01-04 11:41:58 C 05 25 56.36 +84 36 27.4 q Q10
2024-01-04 11:45:41 C 05 25 12.67 +84 36 12.4 16.5 q Q10
2024-01-04 11:51:07 C 05 24 08.06 +84 35 50.4 16.4 q Q10
2024-01-04 11:54:50 C 05 23 23.92 +84 35 34.7 16.6 q Q10
2024-01-04 19:56:33 B 04 00 56.51 +83 32 59.5 V A92
2024-01-04 20:43:43 B 03 53 56.62 +83 24 12.1 V A92
2024-01-04 21:13:50 B 03 49 37.05 +83 18 19.4 V A92
2024-01-06 07:17:18 C 01 32 54.984 +72 21 45.36 V T05
2024-01-06 07:22:06 C 01 32 45.905 +72 19 42.53 V T05
2024-01-06 07:33:18 C 01 32 25.128 +72 14 53.16 V T05
2024-01-06 07:47:52 C 01 31 58.428 +72 08 36.49 V T05
2024-01-07 02:21:58 C 01 08 47.497 +63 27 15.91 V I52
2024-01-07 02:22:57 C 01 08 46.460 +63 26 45.28 V I52
2024-01-07 02:23:56 C 01 08 45.431 +63 26 14.89 V I52
2024-01-07 02:24:55 C 01 08 44.394 +63 25 44.69 V I52
2024-01-07 19:59:47 C 00 55 29.059 +53 48 05.54 V C23
2024-01-07 20:01:15 C 00 55 28.116 +53 47 13.60 V C23
2024-01-07 20:03:14 C 00 55 26.858 +53 46 04.76 V C23
2024-01-07 20:05:26 C 00 55 25.464 +53 44 48.30 V C23
2024-01-08 08:40:27 C 00 48 41.119 +46 17 42.22 V T08
2024-01-08 08:56:33 C 00 48 33.389 +46 07 47.75 V T08
2024-01-08 09:02:22 C 00 48 30.612 +46 04 12.58 V T08
2024-01-08 09:10:49 C 00 48 26.635 +45 58 59.59 V T08
2024-01-08 13:06:08 C 00 46 52.784 +43 36 20.29 V O85
2024-01-08 13:12:42 C 00 46 49.691 +43 32 17.41 V O85
2024-01-08 13:15:58 C 00 46 48.162 +43 30 16.73 V O85
2024-01-08 13:19:13 C 00 46 46.654 +43 28 16.06 V O85
2024-01-08 17:21:33 C 00 45 17.99 +40 59 35.7 X G02
2024-01-08 17:23:54 C 00 45 16.98 +40 58 10.0 X G02
2024-01-08 17:26:15 C 00 45 15.99 +40 56 43.6 X G02
2024-01-08 20:38:17 C 00 43 58.296 +38 58 27.55 V C23
2024-01-08 20:41:52 C 00 43 56.914 +38 56 14.78 V C23
2024-01-08 20:44:05 C 00 43 55.997 +38 54 52.63 V C23
2024-01-09 03:16:06 C 00 41 42.288 +34 57 05.22 V 703
2024-01-09 03:19:05 C 00 41 41.168 +34 55 14.84 V 703
2024-01-09 03:22:04 C 00 41 40.009 +34 53 24.97 V 703
2024-01-09 03:25:03 C 00 41 38.890 +34 51 36.32 V 703
2024-01-09 13:09:25 C 00 38 44.589 +29 01 15.88 V O85
2024-01-09 13:12:41 C 00 38 43.576 +28 59 19.15 V O85
2024-01-09 13:15:57 C 00 38 42.500 +28 57 23.33 V O85
2024-01-09 13:19:13 C 00 38 41.503 +28 55 27.09 V O85
2024-01-09 13:22:29 C 00 38 40.475 +28 53 30.85 V O85
2024-01-09 13:25:45 C 00 38 39.437 +28 51 34.34 V O85
2024-01-09 13:29:01 C 00 38 38.415 +28 49 38.00 V O85
2024-01-09 13:32:17 C 00 38 37.413 +28 47 42.13 V O85
2024-01-09 13:35:33 C 00 38 36.391 +28 45 45.60 V O85
2024-01-09 13:38:49 C 00 38 35.379 +28 43 49.21 V O85
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)