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
2013-08-19 20:20:36 C 14 31 30.59 +04 47 25.9 c C23
2013-08-19 20:21:46 C 14 31 31.96 +04 47 18.6 c C23
2013-08-19 20:24:00 C 14 31 34.86 +04 47 02.5 c C23
2013-08-19 22:16:26 C 14 33 51.39 +04 38 02.7 r Y00
2013-08-19 22:16:51 C 14 33 51.91 +04 37 59.7 r Y00
2013-08-19 22:17:16 C 14 33 52.42 +04 37 56.6 r Y00
2013-08-21 19:22:04 C 15 35 32.77 -00 40 25.8 16.8 u 089
2013-08-21 19:24:34 C 15 35 36.48 -00 40 45.2 16.9 u 089
2013-08-21 19:27:04 C 15 35 40.20 -00 41 04.4 16.7 u 089
2013-08-21 19:29:34 C 15 35 43.91 -00 41 22.9 17.0 u 089
2013-08-21 20:20:04 C 15 37 00.65 -00 48 00.1 q C23
2013-08-21 23:52:19 C 15 42 17.44 -01 12 56.9 r Y00
2013-08-21 23:52:42 C 15 42 18.01 -01 13 00.1 r Y00
2013-08-21 23:53:07 C 15 42 18.63 -01 13 03.6 r Y00
2013-08-23 01:04:54 C 16 21 13.14 -04 31 37.4 r Y00
2013-08-23 01:05:19 C 16 21 13.77 -04 31 40.9 r Y00
2013-08-23 01:05:44 C 16 21 14.43 -04 31 44.4 r Y00
2013-08-23 20:03:52 C 16 50 56.73 -06 59 25.7 q C23
2013-08-23 20:08:26 C 16 51 03.70 -06 59 59.4 q C23
2013-08-23 20:10:05 C 16 51 06.26 -07 00 11.5 q C23
2013-08-23 20:12:33 C 16 51 10.04 -07 00 29.8 q C23
2013-08-23 20:13:41 C 16 51 11.10 -07 00 28.1 q C77
2013-08-23 20:15:03 C 16 51 13.21 -07 00 38.1 q C77
2013-08-23 20:15:26 C 16 51 14.42 -07 00 51.0 q C23
2013-08-23 20:16:12 C 16 51 14.95 -07 00 46.5 q C77
2013-08-23 20:17:20 C 16 51 16.70 -07 00 55.0 q C77
2013-08-23 20:18:29 C 16 51 18.45 -07 01 03.5 q C77
2013-08-23 20:18:44 C 16 51 19.46 -07 01 15.2 q C23
2013-08-23 20:19:38 C 16 51 20.19 -07 01 11.9 q C77
2013-08-23 20:21:13 C 16 51 23.21 -07 01 33.4 q C23
2013-08-23 20:23:40 C 16 51 27.00 -07 01 51.7 q C23
2013-08-24 01:28:16 C 16 59 12.71 -07 36 19.9 r Y00
2013-08-24 01:28:40 C 16 59 13.31 -07 36 22.9 r Y00
2013-08-24 01:29:05 C 16 59 13.94 -07 36 25.9 r Y00
2013-08-24 20:07:17 C 17 27 18.74 -09 45 46.6 q C23
2013-08-24 20:10:35 C 17 27 23.48 -09 46 07.4 q C23
2013-08-24 20:14:42 C 17 27 29.38 -09 46 33.6 q C23
2013-08-24 20:19:14 C 17 27 35.93 -09 47 02.5 q C23
2013-08-24 23:13:12 C 17 31 48.85 -10 02 58.7 r Y00
2013-08-24 23:13:37 C 17 31 49.42 -10 03 01.3 r Y00
2013-08-24 23:14:01 C 17 31 49.99 -10 03 03.7 r Y00
2013-08-25 21:16:05 C 18 02 18.91 -12 09 55.8 q 987
2013-08-25 21:16:25 C 18 02 19.31 -12 09 57.6 q 987
2013-08-25 21:16:38 C 18 02 19.59 -12 09 58.6 q 987
2013-08-25 21:20:14 C 18 02 24.27 -12 10 16.8 q 987
2013-08-25 21:27:10 C 18 02 33.19 -12 10 51.8 q 987
2013-08-25 21:30:18 C 18 02 37.29 -12 11 07.5 q 987
2013-08-25 21:33:36 C 18 02 41.56 -12 11 24.3 q 987
2013-08-25 21:34:56 C 18 02 43.28 -12 11 30.6 q 987
2013-08-25 21:36:12 C 18 02 44.95 -12 11 36.7 q 987
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)