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
2024-01-09 13:51:30 C 00 38 31.498 +28 36 18.54 V O85
2024-01-09 13:54:45 C 00 38 30.502 +28 34 22.03 V O85
2024-01-09 16:37:28 C 00 37 57.49 +26 59 08.1 X G02
2024-01-09 16:44:32 C 00 37 55.33 +26 55 01.1 X G02
2024-01-09 16:51:36 C 00 37 53.12 +26 50 54.8 X G02
2024-01-09 18:04:39 C 00 37 30.44 +26 08 38.1 M32
2024-01-09 18:07:44 C 00 37 29.53 +26 06 51.1 M32
2024-01-09 18:10:49 C 00 37 28.62 +26 05 04.1 M32
2024-01-09 18:13:54 C 00 37 27.71 +26 03 17.1 M32
2024-01-09 18:16:59 C 00 37 26.80 +26 01 30.1 M32
2024-01-09 19:30:09 C 00 37 09.521 +25 19 25.90 V Z80
2024-01-09 19:36:10 C 00 37 07.781 +25 15 58.79 V Z80
2024-01-09 19:38:32 C 00 37 06.293 +25 14 35.81 V C23
2024-01-09 19:41:43 C 00 37 05.362 +25 12 46.76 V C23
2024-01-09 19:42:14 C 00 37 06.086 +25 12 29.56 V Z80
2024-01-09 19:44:02 C 00 37 04.702 +25 11 26.70 V C23
2024-01-09 19:46:58 C 00 37 03.893 +25 09 45.14 V C23
2024-01-09 19:48:18 C 00 37 04.375 +25 09 01.40 V Z80
2024-01-10 01:44:38 C 00 35 42.097 +21 50 29.80 V G96
2024-01-10 01:53:01 C 00 35 39.714 +21 45 51.59 V G96
2024-01-10 02:01:24 C 00 35 37.370 +21 41 15.18 V G96
2024-01-10 02:09:46 C 00 35 35.027 +21 36 37.58 V G96
2024-01-10 02:50:33 C 00 35 23.806 +21 14 12.66 V 703
2024-01-10 02:53:54 C 00 35 22.873 +21 12 22.03 V 703
2024-01-10 02:57:15 C 00 35 22.013 +21 10 31.40 V 703
2024-01-10 03:00:36 C 00 35 21.055 +21 08 41.17 V 703
2024-01-10 16:58:54 B 00 32 36.722 +13 53 01.18 X K87
2024-01-10 17:01:32 B 00 32 36.137 +13 51 44.21 X K87
2024-01-10 17:04:06 B 00 32 35.544 +13 50 28.28 X K87
2024-01-10 17:36:53 C 00 32 26.388 +13 34 28.41 g K99
2024-01-10 17:37:57 C 00 32 26.145 +13 33 56.36 g K99
2024-01-10 17:39:02 C 00 32 25.920 +13 33 24.54 g K99
2024-01-10 17:40:08 C 00 32 25.674 +13 32 52.34 g K99
2024-01-10 17:41:12 C 00 32 25.589 +13 32 25.21 g K99
2024-01-10 17:42:17 C 00 32 25.310 +13 31 51.77 g K99
2024-01-10 17:43:23 C 00 32 25.063 +13 31 20.28 g K99
2024-01-10 17:44:28 C 00 32 24.707 +13 30 46.00 g K99
2024-01-10 17:45:32 C 00 32 24.460 +13 30 14.39 g K99
2024-01-10 17:46:38 C 00 32 24.244 +13 29 42.53 g K99
2024-01-10 19:03:31 C 00 32 07.53 +12 52 20.2 X L18
2024-01-10 19:05:24 C 00 32 07.18 +12 51 26.7 X L18
2024-01-10 19:07:16 C 00 32 06.76 +12 50 31.0 X L18
2024-01-10 19:09:07 C 00 32 06.42 +12 49 38.9 X L18
2024-01-10 19:50:10 C 00 32 01.214 +12 29 56.76 V Z80
2024-01-10 19:58:18 C 00 31 59.462 +12 26 01.64 V Z80
2024-01-10 20:06:22 C 00 31 57.900 +12 22 10.85 V Z80
2024-01-11 02:40:23 C 00 30 50.339 +09 20 44.12 V 703
2024-01-11 02:43:20 C 00 30 49.756 +09 19 25.54 V 703
2024-01-11 02:46:17 C 00 30 49.147 +09 18 06.37 V 703
2024-01-11 02:49:14 C 00 30 48.553 +09 16 45.59 V 703
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)