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
2013-09-02 20:55:01 C 20 30 06.72 -18 22 53.4 q K48
2013-09-02 20:56:09 C 20 30 07.18 -18 22 54.1 q K48
2013-09-02 21:13:54 C 20 30 14.03 -18 23 01.0 q K48
2013-09-02 21:15:02 C 20 30 14.40 -18 23 01.3 q K48
2013-09-02 21:19:23 C 20 30 16.06 -18 23 03.2 q K48
2013-09-04 04:42:04 C 20 41 41.59 -18 32 55.9 q H45
2013-09-04 04:43:52 C 20 41 42.16 -18 32 56.4 q H45
2013-09-04 04:44:34 C 20 41 42.38 -18 32 56.6 q H45
2013-09-04 04:45:52 C 20 41 42.82 -18 32 56.8 q H45
2013-09-04 04:47:05 C 20 41 43.18 -18 32 57.0 q H45
2013-09-04 04:48:50 C 20 41 43.74 -18 32 57.5 q H45
2013-09-04 04:50:08 C 20 41 44.17 -18 32 57.7 q H45
2013-09-04 04:51:10 C 20 41 44.48 -18 32 58.1 q H45
2013-09-04 04:52:18 C 20 41 44.84 -18 32 58.3 q H45
2013-09-04 04:53:29 C 20 41 45.23 -18 32 58.7 q H45
2013-09-05 01:59:04 C 20 48 27.51 -18 37 18.8 r W11
2013-09-05 02:25:41 C 20 48 35.13 -18 37 23.8 r W11
2013-09-05 03:01:28 C 20 48 45.42 -18 37 30.1 r W11
2013-09-05 22:50:36 C 20 54 21.33 -18 40 10.0 q G34
2013-09-05 22:55:56 C 20 54 22.79 -18 40 11.4 q G34
2013-09-05 23:01:18 C 20 54 24.27 -18 40 12.7 q G34
2013-09-06 22:34:23 C 21 00 26.33 -18 41 58.5 m 006
2013-09-06 22:41:38 C 21 00 27.99 -18 41 58.6 m 006
2013-09-06 22:49:10 C 21 00 29.75 -18 41 58.8 m 006
2013-09-07 04:07:02 C 21 01 44.05 -18 41 25.5 r Y00
2013-09-07 04:09:02 C 21 01 44.52 -18 41 25.4 r Y00
2013-09-07 04:11:02 C 21 01 45.01 -18 41 25.8 r Y00
2013-09-08 06:32:50 C 21 07 38.91 -18 42 36.3 q H45
2013-09-08 06:34:26 C 21 07 39.24 -18 42 36.3 q H45
2013-09-08 06:35:45 C 21 07 39.49 -18 42 36.3 q H45
2013-09-08 06:37:18 C 21 07 39.79 -18 42 36.2 q H45
2013-09-08 06:38:47 C 21 07 40.08 -18 42 36.2 q H45
2013-09-08 06:40:44 C 21 07 40.50 -18 42 36.2 q H45
2013-09-08 06:42:08 C 21 07 40.81 -18 42 36.1 q H45
2013-09-08 06:43:29 C 21 07 41.02 -18 42 36.1 q H45
2013-09-09 03:28:11 C 21 11 52.38 -18 41 35.6 r Y00
2013-09-09 03:30:37 C 21 11 52.83 -18 41 35.2 r Y00
2013-09-09 03:33:04 C 21 11 53.28 -18 41 35.0 r Y00
2013-09-10 01:44:34 C 21 16 03.19 -18 41 14.9 r W11
2013-09-10 02:13:44 C 21 16 08.12 -18 41 13.5 r W11
2013-09-10 02:47:16 C 21 16 13.80 -18 41 12.3 r W11
2013-09-10 03:46:16 C 21 16 21.83 -18 40 28.7 r Y00
2013-09-10 03:48:57 C 21 16 22.29 -18 40 28.3 r Y00
2013-09-10 03:51:40 C 21 16 22.74 -18 40 28.0 r Y00
2013-09-12 04:47:21 C 21 24 19.85 -18 37 04.3 q 703
2013-09-12 04:57:39 C 21 24 21.27 -18 37 03.2 q 703
2013-09-12 05:08:06 C 21 24 22.73 -18 37 02.3 q 703
2013-09-12 05:18:36 C 21 24 24.18 -18 37 01.2 q 703
2013-09-14 05:06:21 C 21 30 56.71 -18 30 54.2 r Y00
2013-09-14 05:09:08 C 21 30 57.04 -18 30 53.6 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)