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
2011-08-19 20:31:07 C 17 47 21.60 +21 34 35.4 c A24
2011-08-19 21:39:34 C 17 47 20.93 +21 33 35.2 c A24
2011-08-19 21:40:36 C 17 47 20.90 +21 33 34.1 c A24
2011-08-21 00:40:27 C 17 47 10.85 +21 09 44.1 u I15
2011-08-21 00:44:53 C 17 47 10.82 +21 09 40.2 u I15
2011-08-21 00:50:25 C 17 47 10.78 +21 09 35.2 u I15
2011-08-21 20:26:42 C 17 47 05.67 +20 51 52.6 c A24
2011-08-21 20:27:44 C 17 47 05.67 +20 51 51.5 c A24
2011-08-21 21:33:43 C 17 47 05.29 +20 50 51.0 c A24
2011-08-21 21:34:45 C 17 47 05.29 +20 50 50.1 c A24
2011-08-22 19:36:13 C 17 47 02.70 +20 30 34.7 u B38
2011-08-22 19:42:15 C 17 47 02.68 +20 30 29.2 u B38
2011-08-22 19:47:45 C 17 47 02.64 +20 30 23.5 u B38
2011-08-22 20:33:06 C 17 47 02.52 +20 29 41.5 c A24
2011-08-22 20:34:09 C 17 47 02.51 +20 29 40.4 c A24
2011-08-22 21:40:34 C 17 47 02.30 +20 28 38.2 c A24
2011-08-22 21:41:36 C 17 47 02.30 +20 28 37.2 c A24
2011-08-23 20:54:59 C 17 47 02.69 +20 06 47.4 c 127
2011-08-23 21:01:40 C 17 47 02.70 +20 06 41.2 c 127
2011-08-23 21:11:28 C 17 47 02.70 +20 06 31.6 c 127
2011-08-24 01:19:37 C 17 47 03.25 +20 02 38.4 r I13
2011-08-24 02:02:12 C 17 47 03.20 +20 01 57.6 r I13
2011-08-24 02:51:02 C 17 47 03.15 +20 01 10.9 r I13
2011-08-24 22:42:14 C 17 47 06.41 +19 42 03.4 u B50
2011-08-24 23:28:43 C 17 47 06.52 +19 41 17.8 u B50
2011-08-24 23:36:10 C 17 47 06.54 +19 41 10.5 u B50
2011-08-25 20:52:03 C 17 47 12.95 +19 20 26.5 c A24
2011-08-25 20:53:05 C 17 47 12.91 +19 20 25.2 c A24
2011-08-25 21:59:10 C 17 47 13.24 +19 19 19.8 c A24
2011-08-25 22:00:11 C 17 47 13.23 +19 19 18.7 c A24
2011-08-26 19:48:04 C 17 47 22.70 +18 57 39.2 r 106
2011-08-26 20:05:51 C 17 47 22.80 +18 57 21.3 r 106
2011-08-26 20:23:37 C 17 47 22.92 +18 57 03.3 r 106
2011-08-26 20:41:25 C 17 47 23.02 +18 56 45.3 r 106
2011-08-30 19:29:50 C 17 48 35.86 +17 18 31.2 r 168
2011-08-30 19:31:50 C 17 48 35.89 +17 18 29.0 r 168
2011-08-30 19:32:50 C 17 48 35.90 +17 18 28.1 r 168
2011-08-30 21:00:31 C 17 48 37.38 +17 16 53.1 r 168
2011-08-30 21:03:40 C 17 48 37.43 +17 16 50.0 r 168
2011-09-01 19:48:19 C 17 49 33.65 +16 26 11.9 c 127
2011-09-01 19:53:26 C 17 49 33.75 +16 26 06.3 c 127
2011-09-01 19:58:33 C 17 49 33.85 +16 26 00.5 c 127
2011-09-01 20:03:58 C 17 49 33.95 +16 25 54.7 c 127
2011-09-01 20:09:36 C 17 49 34.06 +16 25 48.6 c 127
2011-09-01 21:58:28 C 17 49 36.34 +16 23 48.2 u I70
2011-09-01 22:46:09 C 17 49 37.35 +16 22 54.7 u I70
2011-09-02 20:36:38 C 17 50 08.52 +15 58 43.0 u I70
2011-09-02 21:42:54 C 17 50 09.99 +15 57 28.8 u I70
2011-09-02 22:03:20 C 17 50 10.37 +15 57 07.0 u B50
2011-09-02 22:18:15 C 17 50 10.72 +15 56 50.2 u B50
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)