1917 Cuyo (1968 AA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5055377279 ± 4.32e-09
Semi-major axis (a)2.1490513170 AU ± 1.54e-09
Inclination (i)23.95878573° ± 4.76e-07
Long. of Asc. Node (Ω)188.27489794° ± 2.62e-07
Arg. of Perihelion (ω)194.55256941° ± 2.81e-07
Mean Anomaly (M)160.08949968° ± 1.40e-06
Mean Motion (n)0.3128542773°/day ± 3.36e-10
Perihelion dist (q)1.06262480 AU ± 9.31e-09
Aphelion dist (Q)3.23547784 AU ± 9.56e-09
Orbital Period3.15043250 yr ± 3.38e-09
Physical Parameters
H (abs. magnitude)14.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.021″
Uncertainty0
Orbit TypeAmor
MOID0.070400 AU
Observations Used3550
Radar Obs Used2
Gaia Obs Used154
Oppositions43
Arc Total1954-2026
First Observation Used1954-05-06
Last Observation Used2026-04-08
Observations (4175)
Date Type RA Dec Mag Band Observatory
2011-08-02 22:00:01 C 17 57 39.71 +26 12 40.2 u J51
2011-08-03 22:54:10 C 17 56 39.01 +26 00 22.6 I73
2011-08-03 22:54:47 C 17 56 38.97 +26 00 22.5 I73
2011-08-03 22:56:01 C 17 56 38.92 +26 00 21.7 I73
2011-08-03 22:59:06 C 17 56 38.81 +26 00 20.1 I73
2011-08-03 23:43:03 C 17 56 36.96 +25 59 57.1 I73
2011-08-04 00:27:51 C 17 56 35.11 +25 59 34.3 I73
2011-08-04 00:30:16 C 17 56 35.02 +25 59 33.3 I73
2011-08-04 00:33:21 C 17 56 34.88 +25 59 31.7 I73
2011-08-08 20:48:30 C 17 52 30.01 +24 53 27.9 c A24
2011-08-08 20:49:12 C 17 52 30.00 +24 53 27.5 c A24
2011-08-09 20:02:23 C 17 51 48.70 +24 38 35.1 c A24
2011-08-09 20:03:05 C 17 51 48.68 +24 38 34.6 c A24
2011-08-09 21:10:13 C 17 51 46.56 +24 37 50.6 c A24
2011-08-10 22:28:26 C 17 51 04.44 +24 20 58.8 I73
2011-08-10 23:07:12 C 17 51 03.37 +24 20 31.9 I73
2011-08-10 23:11:25 C 17 51 03.24 +24 20 29.1 I73
2011-08-10 23:41:55 C 17 51 02.36 +24 20 08.0 I73
2011-08-10 23:42:34 C 17 51 02.35 +24 20 07.7 I73
2011-08-11 01:07:27 C 17 50 59.99 +24 19 08.9 I73
2011-08-12 21:23:11 C 17 49 55.21 +23 48 06.0 I73
2011-08-12 21:30:20 C 17 49 55.02 +23 48 00.9 I73
2011-08-12 22:19:28 C 17 49 53.79 +23 47 25.0 I73
2011-08-12 22:27:55 C 17 49 53.58 +23 47 18.9 I73
2011-08-13 00:14:11 C 17 49 51.00 +23 46 01.0 I73
2011-08-13 00:18:06 C 17 49 50.92 +23 45 58.3 I73
2011-08-13 00:23:17 C 17 49 50.79 +23 45 54.2 I73
2011-08-15 20:29:12 C 17 48 31.63 +22 54 21.0 c A24
2011-08-15 20:30:14 C 17 48 31.61 +22 54 20.1 c A24
2011-08-15 21:39:00 C 17 48 30.32 +22 53 25.6 c A24
2011-08-15 21:40:02 C 17 48 30.30 +22 53 24.8 c A24
2011-08-15 22:22:54 C 17 48 29.52 +22 52 50.5 c A24
2011-08-15 22:23:55 C 17 48 29.49 +22 52 49.7 c A24
2011-08-16 20:23:28 C 17 48 09.54 +22 35 14.7 c A24
2011-08-16 20:24:31 C 17 48 09.53 +22 35 13.9 c A24
2011-08-16 21:17:07 C 17 48 08.64 +22 34 31.0 c A24
2011-08-16 21:18:09 C 17 48 08.63 +22 34 30.1 c A24
2011-08-16 21:37:44 C 17 48 08.34 +22 34 13.9 u B50
2011-08-16 22:07:51 C 17 48 07.85 +22 33 48.7 u B50
2011-08-16 22:09:42 C 17 48 07.78 +22 33 47.9 c A24
2011-08-16 22:10:44 C 17 48 07.76 +22 33 47.1 c A24
2011-08-16 22:15:54 C 17 48 07.71 +22 33 42.3 u B50
2011-08-16 22:23:49 C 17 48 07.55 +22 33 35.2 u B50
2011-08-17 02:10:45 C 17 48 04.79 +22 30 34.6 u H45
2011-08-17 02:17:18 C 17 48 04.68 +22 30 29.2 u H45
2011-08-18 22:03:06 C 17 47 33.22 +21 53 56.7 u B50
2011-08-18 22:08:10 C 17 47 33.12 +21 53 51.2 u B50
2011-08-19 20:10:46 C 17 47 21.80 +21 34 53.2 c A24
2011-08-19 20:11:49 C 17 47 21.79 +21 34 52.3 c A24
2011-08-19 20:30:04 C 17 47 21.62 +21 34 36.2 c A24
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1989-09-29 23:00:00 117822 5 Hz 2380 -1 -1
1989-09-29.958333 11782200 500 Hz 2380 251 251
1989-10-10 05:00:00 -10620 20 Hz 8495 -14 -14
1989-10-10.208333 -1062000 2000 Hz 8495 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)