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
2025-02-08 11:50:22 C 11 25 09.523 -00 13 53.87 V T08
2025-02-08 11:56:23 C 11 25 09.924 -00 13 54.48 V T08
2025-02-08 12:18:39 C 11 25 11.472 -00 13 57.36 V T08
2025-02-09 03:37:54 C 11 26 24.377 -00 15 25.31 V W68
2025-02-09 03:40:31 C 11 26 24.559 -00 15 25.60 V W68
2025-02-09 04:45:13 C 11 26 29.352 -00 15 33.08 V W68
2025-02-09 08:48:23 C 11 26 48.217 -00 16 31.30 V 703
2025-02-09 08:51:43 C 11 26 48.462 -00 16 31.80 V 703
2025-02-09 08:55:03 C 11 26 48.700 -00 16 32.45 V 703
2025-02-09 08:58:23 C 11 26 48.937 -00 16 32.16 V 703
2025-02-10 11:28:27 C 11 29 00.559 -00 19 24.64 V T05
2025-02-10 11:52:12 C 11 29 02.388 -00 19 27.16 V T05
2025-02-10 12:00:05 C 11 29 03.019 -00 19 27.80 V T05
2025-02-10 22:46:38 C 11 29 59.362 -00 20 08.05 V M22
2025-02-10 22:54:35 C 11 30 00.007 -00 20 08.52 V M22
2025-02-10 23:05:01 C 11 30 00.840 -00 20 09.71 V M22
2025-02-10 23:07:37 C 11 30 01.058 -00 20 09.96 V M22
2025-02-17 00:50:42 C 11 45 42.670 -00 30 31.97 Z C23
2025-02-17 00:54:10 C 11 45 43.046 -00 30 31.68 Z C23
2025-02-17 00:57:03 C 11 45 43.476 -00 30 32.15 Z C23
2025-02-17 22:06:48 C 11 48 41.91 -00 30 53.6 Z S30
2025-02-17 22:12:52 C 11 48 42.75 -00 30 53.6 Z S30
2025-02-17 22:18:56 C 11 48 43.59 -00 30 53.7 Z S30
2025-02-18 09:21:30 C 11 50 21.138 -00 30 49.39 V 703
2025-02-18 09:24:50 C 11 50 21.606 -00 30 49.32 V 703
2025-02-18 09:28:11 C 11 50 22.074 -00 30 49.36 V 703
2025-02-18 09:31:31 C 11 50 22.542 -00 30 49.32 V 703
2025-02-18 11:52:29 C 11 50 44.566 -00 30 41.72 V T05
2025-02-18 11:53:50 C 11 50 44.746 -00 30 41.51 V T05
2025-02-18 11:55:08 C 11 50 44.950 -00 30 41.90 V T05
2025-02-18 11:59:06 C 11 50 45.468 -00 30 41.47 V T05
2025-02-18 12:01:45 C 11 50 45.862 -00 30 41.80 V T05
2025-02-18 12:06:21 C 11 50 46.490 -00 30 41.44 V T05
2025-02-18 21:45:33 C 11 52 18.910 -00 30 52.78 V M52
2025-02-18 22:02:39 C 11 52 20.94 -00 30 56.5 Z S30
2025-02-18 22:06:06 C 11 52 21.830 -00 30 58.18 Z C23
2025-02-18 22:07:41 C 11 52 21.73 -00 30 56.3 Z S30
2025-02-18 22:12:44 C 11 52 22.49 -00 30 56.4 Z S30
2025-02-18 22:15:52 C 11 52 23.506 -00 30 52.60 V M52
2025-02-18 22:36:06 C 11 52 26.446 -00 30 57.82 Z C23
2025-02-18 23:22:01 C 11 52 33.509 -00 30 57.92 Z C23
2025-02-19 20:52:32 C 11 56 09.90 -00 30 38.7 q 168
2025-02-19 21:08:34 C 11 56 12.60 -00 30 38.1 q 168
2025-02-19 21:26:37 C 11 56 15.64 -00 30 37.7 q 168
2025-02-19 21:35:09 C 11 56 18.422 -00 30 31.36 V L54
2025-02-19 21:50:40 C 11 56 19.69 -00 30 37.2 q 168
2025-02-19 23:06:57 C 11 56 33.910 -00 30 28.91 V L54
2025-02-20 00:44:45 C 11 56 50.412 -00 30 26.32 V L54
2025-02-20 07:35:58 C 11 58 06.449 -00 30 03.85 V 703
2025-02-20 07:39:13 C 11 58 07.018 -00 30 03.71 V 703
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)