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
2006-08-25 08:59:40 C 02 06 39.76 +09 06 58.8 18.1 c 704
2006-08-25 09:15:27 C 02 06 38.52 +09 06 45.8 18.7 c 704
2006-08-25 09:31:25 C 02 06 37.32 +09 06 32.1 18.6 c 704
2006-08-25 09:47:12 C 02 06 36.09 +09 06 19.5 18.5 c 704
2006-08-25 10:03:03 C 02 06 34.81 +09 06 06.0 18.6 c 704
2006-08-28 07:35:16 C 02 01 16.65 +08 07 21.3 19.0 c 704
2006-08-28 07:51:06 C 02 01 15.38 +08 07 07.7 18.9 c 704
2006-08-28 08:07:23 C 02 01 13.96 +08 06 54.2 19.2 c 704
2006-08-28 08:23:08 C 02 01 12.68 +08 06 40.6 19.0 c 704
2006-09-06 11:05:40 C 01 42 10.93 +04 53 53.2 o 644
2006-09-06 11:20:04 C 01 42 09.49 +04 53 40.0 o 644
2006-09-06 11:34:17 C 01 42 08.15 +04 53 27.2 o 644
2006-09-12 11:22:51 C 01 28 18.98 +02 45 26.8 r 703
2006-09-12 11:29:00 C 01 28 18.33 +02 45 21.8 r 703
2006-09-12 11:35:08 C 01 28 17.76 +02 45 16.1 r 703
2006-09-12 11:41:15 C 01 28 17.11 +02 45 12.0 r 703
2006-09-16 06:55:08 C 01 19 18.99 +01 26 16.8 18.5 c 704
2006-09-16 07:11:05 C 01 19 17.37 +01 26 02.9 18.6 c 704
2006-09-16 07:27:30 C 01 19 15.67 +01 25 48.4 18.2 c 704
2006-09-16 07:43:24 C 01 19 14.04 +01 25 35.6 18.3 c 704
2006-09-16 07:59:29 C 01 19 12.39 +01 25 21.7 18.4 c 704
2006-09-18 07:19:56 C 01 14 33.25 +00 45 44.2 r 703
2006-09-18 07:29:13 C 01 14 32.28 +00 45 36.9 r 703
2006-09-18 07:38:29 C 01 14 31.30 +00 45 29.3 r 703
2006-09-18 07:47:47 C 01 14 30.33 +00 45 21.2 r 703
2006-09-19 05:42:53 C 01 12 22.01 +00 27 23.5 18.0 c 704
2006-09-19 06:00:00 C 01 12 20.31 +00 27 10.3 18.3 c 704
2006-09-19 06:17:04 C 01 12 18.61 +00 26 56.0 17.9 c 704
2006-09-19 06:34:07 C 01 12 16.90 +00 26 42.5 18.1 c 704
2006-09-19 06:51:10 C 01 12 15.13 +00 26 28.1 18.3 c 704
2006-09-22 01:05:34 C 01 05 50.28 -00 26 06.4 o 151
2006-09-22 01:06:40 C 01 05 50.18 -00 26 07.6 o 151
2006-09-22 01:07:45 C 01 05 50.09 -00 26 08.7 o 151
2006-09-22 01:09:56 C 01 05 49.84 -00 26 10.2 o 151
2006-09-22 01:11:02 C 01 05 49.75 -00 26 11.0 o 151
2006-09-22 01:12:07 C 01 05 49.66 -00 26 11.8 o 151
2006-09-22 05:22:53 C 01 05 26.37 -00 29 21.9 18.1 c 704
2006-09-22 05:39:10 C 01 05 24.76 -00 29 34.5 18.3 c 704
2006-09-22 05:55:25 C 01 05 23.15 -00 29 47.2 18.3 c 704
2006-09-22 06:11:41 C 01 05 21.55 -00 29 59.8 18.6 c 704
2006-09-22 06:27:58 C 01 05 19.97 -00 30 11.8 18.8 c 704
2006-09-26 05:26:42 C 00 56 28.49 -01 39 56.9 18.7 c 704
2006-09-26 05:43:49 C 00 56 26.88 -01 40 08.6 19.0 c 704
2006-09-26 06:01:03 C 00 56 25.22 -01 40 19.7 18.8 c 704
2006-09-26 06:18:09 C 00 56 23.64 -01 40 31.2 18.7 c 704
2006-09-26 06:35:15 C 00 56 22.05 -01 40 44.3 18.7 c 704
2006-09-27 06:33:36 C 00 54 12.57 -01 57 13.2 c 691
2006-09-27 06:47:50 C 00 54 11.23 -01 57 22.8 c 691
2006-09-27 07:02:09 C 00 54 09.91 -01 57 32.4 c 691
2006-09-29 04:43:29 C 00 50 08.99 -02 27 22.9 r 808
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)