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
2021-11-13 07:23:50 C 04 54 10.72 +44 51 26.6 V G96
2021-11-13 07:31:44 C 04 54 09.88 +44 51 27.1 V G96
2021-11-13 07:39:37 C 04 54 09.04 +44 51 27.4 V G96
2021-11-13 07:47:32 C 04 54 08.21 +44 51 27.9 V G96
2021-11-26 09:35:19 C 04 20 31.88 +44 14 50.6 V T05
2021-11-26 09:37:57 C 04 20 31.68 +44 14 49.4 V T05
2021-11-26 09:42:35 C 04 20 31.12 +44 14 48.7 V T05
2021-11-26 09:50:30 C 04 20 30.27 +44 14 46.3 V T05
2021-11-28 10:38:54 C 04 15 23.55 +44 00 37.5 V T08
2021-11-28 10:43:32 C 04 15 23.18 +44 00 35.9 V T08
2021-11-28 10:52:12 C 04 15 22.19 +44 00 33.2 V T08
2021-11-28 11:06:48 C 04 15 20.67 +44 00 29.9 V T08
2021-12-05 20:54:29 C 03 58 03.73 +42 53 10.9 V 130
2021-12-05 21:03:04 C 03 58 02.93 +42 53 06.8 V 130
2021-12-13 05:30:12 C 03 43 46.84 +41 29 15.0 V G96
2021-12-13 05:38:36 C 03 43 46.25 +41 29 10.9 V G96
2021-12-13 05:46:56 C 03 43 45.60 +41 29 06.6 V G96
2021-12-13 05:55:15 C 03 43 45.03 +41 29 02.4 V G96
2022-01-22 04:45:18 C 03 22 26.37 +34 25 15.9 V G96
2022-01-22 04:52:44 C 03 22 26.44 +34 25 13.3 V G96
2022-01-22 05:00:11 C 03 22 26.60 +34 25 11.7 V G96
2022-01-22 05:07:38 C 03 22 26.71 +34 25 09.3 V G96
2022-02-23 02:21:13 C 03 49 26.37 +32 06 50.1 V G96
2022-02-23 02:29:21 C 03 49 26.83 +32 06 49.4 V G96
2022-02-23 02:37:27 C 03 49 27.24 +32 06 48.6 V G96
2022-10-24 14:46:38 C 10 46 08.158 +11 47 11.90 U F51
2022-10-24 14:53:05 C 10 46 08.602 +11 47 09.03 U F51
2022-10-24 14:59:35 C 10 46 09.037 +11 47 05.81 U F51
2022-10-24 15:06:03 C 10 46 09.481 +11 47 02.59 U F51
2023-01-27 11:10:20 C 13 32 40.600 -12 09 52.56 V G96
2023-01-27 11:17:41 C 13 32 41.248 -12 09 59.54 V G96
2023-01-27 11:25:02 C 13 32 41.874 -12 10 06.56 V G96
2023-01-27 11:32:23 C 13 32 42.508 -12 10 13.62 V G96
2023-01-29 10:24:32 C 13 36 54.382 -12 55 21.14 V 703
2023-01-29 10:32:31 C 13 36 55.163 -12 55 28.13 V 703
2023-01-29 10:40:31 C 13 36 55.897 -12 55 36.34 V 703
2023-01-29 10:48:30 C 13 36 56.693 -12 55 44.76 V 703
2023-02-01 01:01:00 C 13 42 40.644 -13 57 48.38 V M22
2023-02-01 01:05:32 C 13 42 41.066 -13 57 53.06 V M22
2023-02-01 01:14:04 C 13 42 41.861 -13 58 02.14 V M22
2023-02-01 01:34:59 C 13 42 43.759 -13 58 23.70 V M22
2023-02-01 10:37:44 C 13 43 34.763 -14 07 50.59 V 703
2023-02-01 10:52:52 C 13 43 36.138 -14 08 06.40 V 703
2023-02-01 11:00:26 C 13 43 36.757 -14 08 14.82 V 703
2023-02-02 08:10:22 C 13 45 37.390 -14 30 02.20 V W68
2023-02-02 08:13:37 C 13 45 37.682 -14 30 05.72 V W68
2023-02-02 08:47:16 C 13 45 40.817 -14 30 40.90 V W68
2023-02-02 08:51:56 C 13 45 41.246 -14 30 45.61 V W68
2023-02-04 01:20:04 C 13 49 36.302 -15 13 47.28 V M22
2023-02-04 01:24:04 C 13 49 36.655 -15 13 51.56 V M22
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)