137126 (1999 CF9)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6008300378 ± 2.00e+00
Semi-major axis (a)1.7700615799 AU ± 3.00e+00
Inclination (i)5.54396360° ± 4.00e+00
Long. of Asc. Node (Ω)156.84544990° ± 5.00e+00
Arg. of Perihelion (ω)90.61272758° ± 6.00e+00
Mean Anomaly (M)88.13582052° ± 4.25e-07
Mean Motion (n)0.4185330061°/day ± 1.06e+00
Perihelion dist (q)0.70655541 AU ± 3.74e+00
Aphelion dist (Q)2.83356775 AU ± 5.97e+00
Orbital Period2.35495473 yr ± 5.99e+00
NGA Modelr2
A2-1.50216202e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.304″
Uncertainty0
Orbit TypeApollo
MOID0.017566 AU
Observations Used1164
Oppositions15
Arc Total1999-2025
First Observation Used1999-01-15
Last Observation Used2025-12-24
Observations (1221)
Date Type RA Dec Mag Band Observatory
2024-11-27 15:32:18 C 09 51 22.935 +08 02 12.13 X F51
2024-12-06 14:05:02 C 10 03 25.166 +06 49 29.80 X F52
2024-12-06 14:21:43 C 10 03 26.052 +06 49 24.27 X F52
2024-12-06 14:38:28 C 10 03 26.959 +06 49 18.81 X F52
2024-12-06 14:55:14 C 10 03 27.854 +06 49 13.09 X F52
2024-12-09 14:09:37 C 10 07 22.286 +06 25 05.57 X F51
2024-12-09 14:25:48 C 10 07 23.124 +06 25 00.12 X F51
2024-12-09 14:42:01 C 10 07 23.980 +06 24 54.64 X F51
2024-12-09 14:58:12 C 10 07 24.836 +06 24 49.12 X F51
2024-12-28 12:34:55 C 10 31 15.779 +03 54 21.61 X F52
2024-12-28 12:50:29 C 10 31 16.530 +03 54 16.65 X F52
2024-12-28 13:06:10 C 10 31 17.280 +03 54 11.62 X F52
2024-12-28 13:21:49 C 10 31 18.034 +03 54 06.67 X F52
2024-12-30 13:29:44 C 10 33 43.562 +03 38 48.70 V T08
2024-12-30 13:33:46 C 10 33 43.762 +03 38 47.62 V T08
2024-12-30 13:46:58 C 10 33 44.357 +03 38 43.62 V T08
2024-12-30 14:09:11 C 10 33 45.456 +03 38 35.99 V T08
2025-01-02 14:06:31 C 10 37 20.976 +03 16 06.32 X F51
2025-01-02 14:22:45 C 10 37 21.730 +03 16 01.36 X F51
2025-01-02 14:38:58 C 10 37 22.486 +03 15 56.24 X F51
2025-01-02 14:55:10 C 10 37 23.246 +03 15 51.23 X F51
2025-01-07 20:25:10 C 10 43 34.799 +02 37 50.33 O18
2025-01-07 20:26:26 C 10 43 34.859 +02 37 49.92 O18
2025-01-07 20:35:23 C 10 43 35.274 +02 37 47.28 O18
2025-01-09 13:24:39 C 10 45 35.207 +02 25 52.62 X F51
2025-01-09 13:40:55 C 10 45 35.948 +02 25 48.00 X F51
2025-01-09 14:13:20 C 10 45 37.429 +02 25 38.58 X F51
2025-01-10 20:15:52 C 10 47 05.800 +02 16 54.92 O18
2025-01-10 20:16:53 C 10 47 05.848 +02 16 54.59 O18
2025-01-10 20:17:55 C 10 47 05.895 +02 16 54.33 O18
2025-01-10 21:43:07 C 10 47 09.821 +02 16 29.90 O18
2025-01-10 21:44:09 C 10 47 09.869 +02 16 29.60 O18
2025-01-10 21:45:11 C 10 47 09.917 +02 16 29.30 O18
2025-01-11 21:33:13 C 10 48 19.760 +02 09 42.30 O18
2025-01-11 21:34:20 C 10 48 19.811 +02 09 42.00 O18
2025-01-11 21:35:27 C 10 48 19.863 +02 09 41.66 O18
2025-01-11 22:38:40 C 10 48 22.776 +02 09 23.72 O18
2025-01-11 22:39:46 C 10 48 22.830 +02 09 23.41 O18
2025-01-12 18:18:35 C 10 49 21.176 +02 03 50.98 O18
2025-01-12 18:19:52 C 10 49 21.235 +02 03 50.66 O18
2025-01-13 18:46:49 C 10 50 32.937 +01 57 01.40 O18
2025-01-13 18:48:11 C 10 50 33.013 +01 57 01.11 O18
2025-01-13 18:49:32 C 10 50 33.073 +01 57 00.95 O18
2025-01-21 20:48:09 C 11 00 08.990 +01 06 18.10 O18
2025-01-21 20:49:35 C 11 00 09.058 +01 06 17.76 O18
2025-01-21 22:03:00 C 11 00 12.503 +01 05 59.83 O18
2025-01-21 22:04:26 C 11 00 12.571 +01 05 59.49 O18
2025-01-22 20:46:31 C 11 01 21.903 +01 00 31.01 O18
2025-01-22 20:48:27 C 11 01 21.991 +01 00 30.55 O18
2025-01-22 22:26:06 C 11 01 26.611 +01 00 07.23 O18
Radar Observations (12)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-08-21 03:10:00 319773.944 1.5 Hz 8560 -14 -14
2013-08-21 04:00:00 66346826.79 10 us 8560 -14 -14
2013-08-21 04:30:00 66282046.75 2 us 8560 -14 -14
2013-08-22 03:40:00 63921527.254 4 us 8560 -14 -14
2013-08-22 04:20:00 139016.798 2 Hz 8560 -14 -14
2013-08-23 03:20:00 63238391.082 2 us 8560 -14 -14
2013-08-23 03:40:00 -33068.671 1.5 Hz 8560 -14 -14
2013-08-25 01:20:00 66987518.311 2 us 8560 -14 -14
2025-03-08 09:30:00 -51357.8 2 Hz 8560 -14 -14
2025-03-08 10:20:00 52842415 2 us 8560 -14 -14
2025-03-08 10:50:00 52855887 1 us 8560 -14 -14
2025-03-10 16:10:00 59591765 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)