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
2025-03-01 21:03:43 C 13 25 08.29 +00 21 45.4 X D04
2025-03-01 21:06:50 C 13 25 10.59 +00 21 47.6 X D04
2025-03-01 21:09:57 C 13 25 12.92 +00 21 49.2 X D04
2025-03-01 21:13:05 C 13 25 15.28 +00 21 51.1 X D04
2025-03-01 21:16:12 C 13 25 17.63 +00 21 53.2 X D04
2025-03-01 21:22:27 C 13 25 22.27 +00 21 55.5 X D04
2025-03-02 00:10:09 C 13 27 28.56 +00 23 32.0 X C40
2025-03-02 00:12:22 C 13 27 30.24 +00 23 33.2 X C40
2025-03-02 00:14:34 C 13 27 31.95 +00 23 34.5 X C40
2025-03-02 00:16:47 C 13 27 33.62 +00 23 35.9 X C40
2025-03-02 00:19:00 C 13 27 35.30 +00 23 37.2 X C40
2025-03-02 00:21:06 C 13 27 36.90 +00 23 38.3 X C40
2025-03-02 00:23:06 C 13 27 38.42 +00 23 39.4 X C40
2025-03-02 00:25:07 C 13 27 39.95 +00 23 40.6 X C40
2025-03-02 00:27:08 C 13 27 41.48 +00 23 41.8 X C40
2025-03-02 00:29:09 C 13 27 43.01 +00 23 43.0 X C40
2025-03-02 00:31:10 C 13 27 44.56 +00 23 44.1 X C40
2025-03-02 00:33:11 C 13 27 46.10 +00 23 45.3 X C40
2025-03-02 21:38:26 C 13 45 53.63 +00 37 00.4 V M32
2025-03-02 21:39:29 C 13 45 54.59 +00 37 01.3 V M32
2025-03-02 21:40:24 C 13 45 55.45 +00 37 01.7 V M32
2025-03-02 21:41:27 C 13 45 56.41 +00 37 02.5 V M32
2025-03-02 21:42:49 C 13 45 57.67 +00 37 03.5 V M32
2025-03-02 23:00:02 C 13 47 09.866 +00 37 53.58 Z C23
2025-03-02 23:53:45 C 13 48 00.019 +00 38 31.42 Z C23
2025-03-03 01:08:12 C 13 49 08.846 +00 41 56.65 V M22
2025-03-03 01:12:46 C 13 49 13.118 +00 42 00.04 V M22
2025-03-03 01:17:21 C 13 49 17.273 +00 42 03.28 V M22
2025-03-03 01:51:14 C 13 49 49.092 +00 42 27.83 V M22
2025-03-03 03:28:10 B 13 51 22.61 +00 41 04.1 Z M61
2025-03-03 03:29:34 B 13 51 23.96 +00 41 05.1 Z M61
2025-03-03 03:30:46 B 13 51 25.11 +00 41 05.6 Z M61
2025-03-03 04:01:26 B 13 51 54.62 +00 41 28.1 Z M61
2025-03-03 04:10:36 B 13 52 03.46 +00 41 34.8 Z M61
2025-03-03 04:19:34 B 13 52 12.10 +00 41 41.2 Z M61
2025-03-04 14:22:02 C 14 31 01.356 +01 10 53.54 V T08
2025-03-04 15:12:42 C 14 32 05.844 +01 11 40.67 V T08
2025-03-04 15:49:21 C 14 32 52.834 +01 12 14.90 V T08
2025-03-05 06:12:58 C 14 53 06.612 +01 28 15.53 V W68
2025-03-05 06:15:36 C 14 53 10.428 +01 28 18.34 V W68
2025-03-05 06:20:10 C 14 53 17.021 +01 28 22.94 V W68
2025-03-05 06:28:00 C 14 53 28.327 +01 28 30.90 V W68
2025-03-05 12:37:35 C 15 02 38.065 +01 32 16.69 V 703
2025-03-05 12:39:47 C 15 02 41.377 +01 32 19.00 V 703
2025-03-05 12:41:59 C 15 02 44.689 +01 32 21.08 V 703
2025-03-05 12:44:11 C 15 02 48.023 +01 32 23.32 V 703
2025-03-06 01:50:57 C 15 23 59.011 +01 45 38.77 X M26
2025-03-06 02:00:54 C 15 24 15.438 +01 45 36.11 W K85
2025-03-06 02:03:39 C 15 24 19.850 +01 45 51.77 X M26
2025-03-06 02:16:35 C 15 24 41.222 +01 46 05.48 X M26
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)