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
1989-09-30 02:02:53 A 20 25 23.41 +05 58 08.6 A 801
1989-10-01 01:27:50 A 20 29 05.50 +03 40 30.6 801
1989-10-02 15:49:45 A 20 35 39.41 -00 18 58.2 210
1989-10-02 16:03:13 A 20 35 41.81 -00 20 26.1 210
1989-10-04 21:40:00 A 20 46 02.58 -06 22 22.5 091
1989-10-04 22:00:00 A 20 46 06.37 -06 24 32.2 091
1989-10-05 20:18:10 A 20 50 51.88 -09 03 07.7 091
1989-10-05 20:28:09 A 20 50 54.10 -09 04 19.7 091
1989-10-06 20:20:59 A 20 56 16.3 -11 57 47 594
1989-10-06 20:54:59 A 20 56 23.4 -12 01 57 594
1989-10-23 11:16:18 A 23 16 30.99 -52 12 23.6 413
1989-10-23 11:59:19 A 23 16 49.32 -52 14 42.5 413
1989-10-27 10:17:35 A 23 59 36.12 -56 19 28.6 413
1989-10-27 10:24:35 A 23 59 39.09 -56 19 42.2 413
1989-10-27 10:31:35 A 23 59 42.23 -56 19 56.9 413
1989-10-27 10:39:35 A 23 59 45.62 -56 20 12.7 413
1989-10-27 10:46:39 A 23 59 48.65 -56 20 26.7 413
1989-10-27 10:53:35 A 23 59 51.60 -56 20 40.2 413
1989-10-27 17:05:06 A 00 02 33.33 -56 32 09.7 413
1989-10-27 17:07:53 A 00 02 34.57 -56 32 14.9 413
1989-10-29 10:43:09 A 00 21 07.77 -57 41 13.9 413
1989-10-29 10:48:10 A 00 21 09.82 -57 41 21.2 413
1989-11-19 12:37:41 A 02 53 48.88 -57 18 05.2 413
1989-11-19 12:43:50 A 02 53 49.94 -57 18 00.1 413
1989-11-20 12:15:48 A 02 57 51.62 -56 59 40.7 413
1989-11-20 13:45:48 A 02 58 05.28 -56 58 28.9 413
1989-11-22 11:37:00 A 03 05 22.87 -56 20 49.2 14.1 474
1989-11-22 11:49:19 A 03 05 24.65 -56 20 38.8 474
1991-04-08 07:33:50 C 13 08 52.41 -01 27 46.8 a 691
1991-04-08 08:02:48 C 13 08 51.25 -01 27 34.4 a 691
1991-04-08 08:32:15 C 13 08 50.09 -01 27 21.5 a 691
1991-04-15 06:46:09 A 13 02 22.28 -00 17 30.1 688
1991-04-15 06:52:30 A 13 02 22.04 -00 17 27.6 688
1992-06-03 09:28:44 17 57 27.53 +17 05 29.9 17.8 675
1992-06-03 10:11:14 17 57 25.66 +17 05 54.4 675
1992-06-08 10:15:14 17 52 02.87 +18 10 54.0 675
1992-06-08 10:59:44 17 52 00.68 +18 11 17.9 675
1992-06-10 06:14:42 17 49 55.74 +18 32 40.8 F 711
1992-07-09 04:15:39 17 12 19.85 +20 51 41.3 F 711
1992-07-27 06:43:57 C 16 55 26.83 +18 47 04.2 z 658
1992-07-27 06:47:57 C 16 55 26.74 +18 47 02.5 z 658
1992-07-27 06:51:57 C 16 55 26.68 +18 47 00.9 z 658
1992-07-30 03:42:10 16 53 51.62 +18 14 53.6 F 711
1995-05-24 20:55:15 C 16 39 28.97 +11 15 06.3 z 540
1995-05-24 21:03:03 C 16 39 28.56 +11 15 09.6 z 540
1995-05-24 21:10:34 C 16 39 28.10 +11 15 11.9 z 540
1995-05-28 00:46:49 C 16 35 51.31 +11 46 10.4 476
1995-05-29 09:21:34 c 16 34 15.96 +11 58 38.8 i 691
1995-05-29 09:53:42 c 16 34 14.24 +11 58 50.2 i 691
1995-05-29 10:18:20 c 16 34 12.94 +11 58 59.4 i 691
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)