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
2013-08-25 21:36:17 C 18 02 45.03 -12 11 37.2 q 987
2013-08-25 21:36:20 C 18 02 45.13 -12 11 37.3 q 987
2013-08-25 21:36:25 C 18 02 45.21 -12 11 38.0 q 987
2013-08-25 21:36:30 C 18 02 45.30 -12 11 38.2 q 987
2013-08-25 21:36:33 C 18 02 45.43 -12 11 38.7 q 987
2013-08-25 21:36:38 C 18 02 45.49 -12 11 39.1 q 987
2013-08-25 21:36:42 C 18 02 45.56 -12 11 39.5 q 987
2013-08-25 21:36:45 C 18 02 45.64 -12 11 40.0 q 987
2013-08-25 21:36:50 C 18 02 45.72 -12 11 40.2 q 987
2013-08-25 21:37:36 C 18 02 46.75 -12 11 44.3 q 987
2013-08-25 21:37:41 C 18 02 46.81 -12 11 44.6 q 987
2013-08-25 21:37:45 C 18 02 46.95 -12 11 44.8 q 987
2013-08-25 21:37:48 C 18 02 47.01 -12 11 45.2 q 987
2013-08-25 21:37:53 C 18 02 47.08 -12 11 45.2 q 987
2013-08-25 21:37:58 C 18 02 47.16 -12 11 46.0 q 987
2013-08-25 21:38:01 C 18 02 47.26 -12 11 46.2 q 987
2013-08-25 21:38:06 C 18 02 47.37 -12 11 46.5 q 987
2013-08-25 21:38:09 C 18 02 47.44 -12 11 47.1 q 987
2013-08-25 21:38:13 C 18 02 47.52 -12 11 47.5 q 987
2013-08-25 21:38:18 C 18 02 47.61 -12 11 47.8 q 987
2013-08-25 21:38:21 C 18 02 47.70 -12 11 48.0 q 987
2013-08-25 21:38:26 C 18 02 47.79 -12 11 48.4 q 987
2013-08-25 21:38:30 C 18 02 47.88 -12 11 48.4 q 987
2013-08-25 21:38:33 C 18 02 47.96 -12 11 49.0 q 987
2013-08-25 21:38:38 C 18 02 48.04 -12 11 49.5 q 987
2013-08-25 21:38:41 C 18 02 48.14 -12 11 49.6 q 987
2013-08-25 21:38:45 C 18 02 48.22 -12 11 50.1 q 987
2013-08-25 21:38:50 C 18 02 48.32 -12 11 50.4 q 987
2013-08-25 21:38:55 C 18 02 48.42 -12 11 50.6 q 987
2013-08-25 21:38:58 C 18 02 48.50 -12 11 51.1 q 987
2013-08-25 21:39:03 C 18 02 48.64 -12 11 51.2 q 987
2013-08-25 21:39:06 C 18 02 48.67 -12 11 51.8 q 987
2013-08-25 21:39:10 C 18 02 48.78 -12 11 51.4 q 987
2013-08-25 21:39:15 C 18 02 48.86 -12 11 52.7 q 987
2013-08-25 21:39:18 C 18 02 48.95 -12 11 52.4 q 987
2013-08-25 21:39:23 C 18 02 49.01 -12 11 53.1 q 987
2013-08-25 21:39:27 C 18 02 49.11 -12 11 53.0 q 987
2013-08-25 21:39:30 C 18 02 49.19 -12 11 53.7 q 987
2013-08-25 21:39:35 C 18 02 49.28 -12 11 54.1 q 987
2013-08-26 00:03:15 C 18 05 56.20 -12 21 40.9 r Y00
2013-08-26 00:03:39 C 18 05 56.71 -12 21 42.9 r Y00
2013-08-26 00:04:02 C 18 05 57.26 -12 21 45.2 r Y00
2013-08-26 21:18:08 C 18 31 59.68 -13 57 20.8 q 987
2013-08-26 21:39:08 C 18 32 23.46 -13 58 41.8 q 987
2013-08-26 22:01:50 C 18 32 49.09 -14 00 09.2 q 987
2013-08-26 22:02:13 C 18 32 50.01 -13 59 42.2 q G40
2013-08-26 22:12:12 C 18 33 01.16 -14 00 20.3 q G40
2013-08-26 22:21:56 C 18 33 12.05 -14 00 57.4 q G40
2013-08-26 22:31:22 C 18 33 22.64 -14 01 33.9 q G40
2013-08-27 03:12:07 C 18 38 35.26 -14 17 19.6 r Y00
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)