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
2023-12-31 06:26:17 C 03 39 06.685 +38 44 47.80 V G96
2023-12-31 06:33:40 C 03 39 06.372 +38 44 44.41 V G96
2023-12-31 06:41:05 C 03 39 06.145 +38 44 40.78 V G96
2024-11-22 12:26:12 C 11 43 00.484 +04 26 48.52 V G96
2024-11-22 12:33:01 C 11 43 00.988 +04 26 44.99 V G96
2024-11-22 12:43:47 C 11 43 01.736 +04 26 37.79 V G96
2024-11-22 12:50:35 C 11 43 02.240 +04 26 34.98 V G96
2024-11-29 12:04:15 C 11 55 22.922 +02 47 07.08 V G96
2024-11-29 12:11:53 C 11 55 23.473 +02 47 02.54 V G96
2024-11-29 12:19:27 C 11 55 24.013 +02 46 58.22 V G96
2024-12-19 12:54:12 C 12 32 01.025 -02 22 52.00 V V00
2024-12-19 13:01:26 C 12 32 01.576 -02 22 57.00 V V00
2024-12-19 13:08:37 C 12 32 02.130 -02 23 01.93 V V00
2024-12-19 13:15:48 C 12 32 02.699 -02 23 06.86 V V00
2025-01-11 12:17:46 C 13 18 21.902 -09 24 21.71 V G96
2025-01-11 12:25:08 C 13 18 22.554 -09 24 28.12 V G96
2025-01-11 12:32:30 C 13 18 23.224 -09 24 34.42 V G96
2025-01-11 12:39:51 C 13 18 23.872 -09 24 40.54 V G96
2025-01-25 15:06:02 C 13 51 51.768 -14 41 59.36 X F51
2025-01-25 15:21:27 C 13 51 53.403 -14 42 15.31 X F51
2025-01-25 15:36:52 C 13 51 55.032 -14 42 31.19 X F51
2025-01-25 15:52:17 C 13 51 56.664 -14 42 47.09 X F51
2025-01-30 07:53:57 C 14 04 32.093 -16 42 04.97 V W68
2025-01-30 07:58:30 C 14 04 32.633 -16 42 09.90 V W68
2025-01-30 08:07:09 C 14 04 33.684 -16 42 19.51 V W68
2025-01-30 08:22:37 C 14 04 35.482 -16 42 36.76 V W68
2025-02-02 01:19:05 C 14 12 21.890 -17 55 44.51 V M22
2025-02-02 01:30:32 C 14 12 23.278 -17 55 58.44 V M22
2025-02-02 01:35:06 C 14 12 23.731 -17 56 03.41 V M22
2025-02-02 01:49:28 C 14 12 25.505 -17 56 20.22 V M22
2025-02-05 00:59:32 C 14 21 25.277 -19 20 06.58 V M22
2025-02-05 01:04:47 C 14 21 26.026 -19 20 10.64 V M22
2025-02-05 01:09:19 C 14 21 26.578 -19 20 17.77 V M22
2025-02-05 01:46:59 C 14 21 31.339 -19 21 02.81 V M22
2025-02-05 12:23:03 C 14 22 54.404 -19 34 03.61 V 703
2025-02-05 12:29:30 C 14 22 55.276 -19 34 09.84 V 703
2025-02-05 12:32:43 C 14 22 55.607 -19 34 14.84 V 703
2025-02-07 14:46:13 C 14 29 41.284 -20 36 09.49 X F52
2025-02-07 14:59:04 C 14 29 43.021 -20 36 25.69 X F52
2025-02-07 15:11:55 C 14 29 44.752 -20 36 41.81 X F52
2025-02-07 15:24:47 C 14 29 46.486 -20 36 57.91 X F52
2025-02-08 15:02:45 C 14 33 04.162 -21 06 50.98 V T08
2025-02-08 15:05:23 C 14 33 04.531 -21 06 53.82 V T08
2025-02-08 15:14:03 C 14 33 05.753 -21 07 04.01 V T08
2025-02-08 15:38:49 C 14 33 09.134 -21 07 35.04 V T08
2025-02-17 01:36:40 C 15 04 54.106 -25 41 24.43 V M22
2025-02-17 01:44:09 C 15 04 55.490 -25 41 35.99 V M22
2025-02-17 01:48:59 C 15 04 56.297 -25 41 43.15 V M22
2025-02-17 02:06:57 C 15 04 59.345 -25 42 09.22 V M22
2025-03-06 02:39:19 C 16 40 39.403 -35 59 19.21 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)