22771 (1999 CU3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5242253236 ± 2.00e+00
Semi-major axis (a)1.5758804334 AU ± 3.00e+00
Inclination (i)11.40259721° ± 4.00e+00
Long. of Asc. Node (Ω)338.90098952° ± 5.00e+00
Arg. of Perihelion (ω)305.84219851° ± 6.00e+00
Mean Anomaly (M)96.21237716° ± 6.31e-05
Mean Motion (n)0.4982271401°/day ± 1.42e+00
Perihelion dist (q)0.74976400 AU ± 3.46e+00
Aphelion dist (Q)2.40199686 AU ± 5.55e+00
Orbital Period1.97826695 yr ± 5.65e+00
NGA Modelr2
A2-1.41471470e-06 AU/d²
Physical Parameters
H (abs. magnitude)16.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.064295 AU
Observations Used2581
Gaia Obs Used92
Oppositions9
Arc Total1999-2026
First Observation Used1999-02-10
Last Observation Used2026-01-07
Observations (2691)
Date Type RA Dec Mag Band Observatory
2023-02-04 01:33:07 C 13 49 37.524 -15 14 00.82 V M22
2023-02-04 01:42:14 C 13 49 38.338 -15 14 10.75 V M22
2023-02-04 11:19:39 C 13 50 34.958 -15 24 48.17 V 703
2023-02-04 11:27:06 C 13 50 35.754 -15 24 55.73 V 703
2023-02-04 11:34:32 C 13 50 36.380 -15 25 03.72 V 703
2023-02-04 11:41:59 C 13 50 37.237 -15 25 12.43 V 703
2023-02-16 08:08:46 C 14 22 02.242 -21 14 04.09 V W68
2023-02-16 08:12:01 C 14 22 02.616 -21 14 08.48 V W68
2023-02-16 08:16:42 C 14 22 03.211 -21 14 14.96 V W68
2023-02-16 08:24:30 C 14 22 04.164 -21 14 26.20 V W68
2023-02-23 01:44:02 C 14 44 16.363 -25 15 16.99 V M22
2023-02-23 01:48:08 C 14 44 16.951 -25 15 23.18 V M22
2023-02-23 01:52:40 C 14 44 17.611 -25 15 30.53 V M22
2023-02-23 02:00:29 C 14 44 18.794 -25 15 43.34 V M22
2023-02-24 06:28:48 C 14 48 43.598 -26 02 03.01 V W68
2023-02-24 06:32:03 C 14 48 44.100 -26 02 08.63 V W68
2023-02-24 06:40:37 C 14 48 45.451 -26 02 22.88 V W68
2023-02-24 06:50:15 C 14 48 46.922 -26 02 38.80 V W68
2023-02-28 07:17:35 C 15 05 08.532 -28 48 43.88 V W68
2023-02-28 07:21:33 C 15 05 09.238 -28 48 50.98 V W68
2023-02-28 07:27:47 C 15 05 10.354 -28 49 02.32 V W68
2023-02-28 07:35:34 C 15 05 11.734 -28 49 16.21 V W68
2023-03-03 01:48:59 C 15 17 57.595 -30 51 22.32 V M22
2023-03-03 01:57:10 C 15 17 59.218 -30 51 37.76 V M22
2023-03-03 02:12:13 C 15 18 02.282 -30 52 06.60 V M22
2023-03-04 07:59:56 C 15 24 16.346 -31 49 05.63 V W68
2023-03-04 08:02:33 C 15 24 16.903 -31 49 10.99 V W68
2023-03-04 08:07:06 C 15 24 17.844 -31 49 19.85 V W68
2023-03-04 08:20:42 C 15 24 20.705 -31 49 46.31 V W68
2023-03-11 01:26:36 C 16 04 46.452 -37 14 20.51 V M22
2023-03-11 01:29:11 C 16 04 47.203 -37 14 25.37 V M22
2023-03-11 01:33:44 C 16 04 48.446 -37 14 35.23 V M22
2023-03-11 01:42:56 C 16 04 51.134 -37 14 54.38 V M22
2023-03-15 00:41:22 C 16 35 31.169 -40 28 55.60 V M22
2023-03-15 00:44:03 C 16 35 32.112 -40 29 01.03 V M22
2023-03-15 00:48:48 C 16 35 33.778 -40 29 10.75 V M22
2023-03-15 01:26:14 C 16 35 46.841 -40 30 26.89 V M22
2023-03-25 06:17:00 C 18 25 22.819 -46 43 35.69 V W68
2023-03-25 06:21:40 C 18 25 25.301 -46 43 39.50 V W68
2023-03-25 06:56:05 C 18 25 43.493 -46 44 07.01 V W68
2023-03-25 07:03:30 C 18 25 47.390 -46 44 13.13 V W68
2023-05-03 09:22:54 C 00 01 00.962 -17 21 34.31 V W68
2023-05-03 09:28:17 C 00 01 01.798 -17 21 21.74 V W68
2023-05-03 09:35:42 C 00 01 02.981 -17 21 06.30 V W68
2023-05-03 10:04:21 C 00 01 07.488 -17 20 02.87 V W68
2023-09-22 11:20:04 C 05 46 53.724 +37 23 34.62 V G96
2023-09-22 11:28:18 C 05 46 53.987 +37 23 37.97 V G96
2023-09-22 11:36:31 C 05 46 54.289 +37 23 40.88 V G96
2023-09-22 11:44:44 C 05 46 54.559 +37 23 44.12 V G96
2023-12-31 06:18:54 C 03 39 06.908 +38 44 51.61 V G96
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2001-09-25 20:29:00 -7944.261 1 Hz 2380 -1 -1
2001-09-25 20:58:00 113734203 8 us 2380 -1 -1
2001-09-25 21:33:00 113743141.8 1 us 2380 -1 -1
2003-09-10 17:58:00 89312736.8 4 us 2380 -1 -1
2003-09-11 17:49:00 83379287.1 1 us 2380 -1 -1
2003-09-12 18:02:00 77998936.49 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)