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
2015-02-26 09:51:31 C 12 01 45.07 -04 28 04.6 R G45
2015-02-26 10:03:32 C 12 01 44.35 -04 28 10.1 R G45
2015-02-26 10:05:23 C 12 01 44.25 -04 28 10.6 R G45
2015-02-26 10:11:21 C 12 01 43.91 -04 28 13.7 R G45
2015-02-26 10:17:13 C 12 01 43.57 -04 28 16.5 R G45
2015-03-02 17:24:52 C 11 55 19.63 -05 17 30.1 o C94
2015-03-02 17:44:58 C 11 55 18.17 -05 17 40.6 o C94
2015-03-05 06:13:34 C 11 50 45.00 -05 47 49.7 V G45
2015-03-05 06:15:09 C 11 50 44.92 -05 47 49.8 V G45
2015-03-05 06:18:20 C 11 50 44.62 -05 47 51.5 V G45
2015-03-05 06:19:51 C 11 50 44.51 -05 47 52.1 V G45
2015-03-05 06:21:26 C 11 50 44.38 -05 47 53.2 V G45
2015-03-05 06:23:30 C 11 50 44.23 -05 47 54.2 V G45
2015-03-05 06:26:07 C 11 50 43.99 -05 47 55.4 V G45
2015-03-05 06:26:37 C 11 50 43.92 -05 47 56.3 V G45
2015-03-05 06:32:53 C 11 50 43.40 -05 47 59.1 V G45
2015-03-05 06:34:58 C 11 50 43.21 -05 47 59.9 V G45
2015-03-05 06:36:25 C 11 50 43.07 -05 48 00.6 V G45
2015-03-05 06:39:39 C 11 50 42.83 -05 48 02.7 V G45
2015-03-05 06:41:12 C 11 50 42.67 -05 48 03.3 V G45
2015-03-05 06:42:43 C 11 50 42.56 -05 48 04.4 V G45
2015-03-05 06:44:17 C 11 50 42.43 -05 48 04.9 V G45
2015-03-05 06:45:57 C 11 50 42.31 -05 48 05.6 V G45
2015-03-09 05:38:25 C 11 42 14.72 -06 37 46.1 u H21
2015-03-09 05:42:15 C 11 42 14.31 -06 37 48.2 u H21
2015-03-09 05:47:09 C 11 42 13.82 -06 37 50.7 u H21
2015-03-09 05:52:34 C 11 42 13.26 -06 37 53.6 u H21
2015-03-09 05:56:55 C 11 42 12.82 -06 37 56.2 u H21
2015-03-09 06:02:42 C 11 42 12.22 -06 37 59.4 u H21
2015-03-09 06:12:29 C 11 42 11.22 -06 38 04.6 u H21
2015-03-10 08:51:10 C 11 39 30.10 -06 52 30.4 q 703
2015-03-10 08:56:55 C 11 39 29.47 -06 52 33.6 q 703
2015-03-10 09:02:42 C 11 39 28.86 -06 52 36.8 q 703
2015-03-10 09:08:28 C 11 39 28.23 -06 52 39.6 q 703
2015-03-16 05:48:47 C 11 22 59.69 -08 12 45.4 q 703
2015-03-16 05:59:07 C 11 22 58.25 -08 12 51.7 q 703
2015-03-16 06:09:25 C 11 22 56.86 -08 12 57.7 q 703
2015-03-16 06:19:43 C 11 22 55.44 -08 13 03.9 q 703
2015-03-16 21:55:31 C 11 20 50.88 -08 22 23.2 r 006
2015-03-16 22:05:35 C 11 20 49.48 -08 22 28.2 r 006
2015-03-16 22:14:13 C 11 20 48.30 -08 22 33.1 r 006
2015-03-16 22:23:08 C 11 20 47.05 -08 22 38.1 r 006
2015-04-01 03:56:38 C 10 18 24.50 -12 13 58.8 q H21
2015-04-01 04:00:59 C 10 18 23.59 -12 14 01.6 q H21
2015-04-01 04:05:18 C 10 18 22.70 -12 14 04.5 q H21
2015-04-01 04:09:22 C 10 18 21.85 -12 14 06.9 q H21
2015-04-01 04:13:41 C 10 18 20.97 -12 14 09.8 q H21
2015-04-01 04:18:01 C 10 18 20.04 -12 14 12.6 q H21
2015-04-01 04:21:50 C 10 18 19.26 -12 14 15.2 q H21
2015-04-04 02:00:02 C 10 03 57.74 -12 59 02.4 u H21
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)