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
2025-02-26 11:40:02 C 12 39 04.128 -00 10 07.68 V T05
2025-02-26 12:12:53 C 12 39 17.146 -00 09 58.82 V T05
2025-02-26 20:36:52 C 12 42 56.011 -00 08 05.06 V L54
2025-02-26 20:37:03 B 12 42 55.59 -00 08 10.1 X L99
2025-02-26 20:38:48 B 12 42 56.38 -00 08 09.0 X L99
2025-02-26 20:40:33 B 12 42 57.09 -00 08 07.9 X L99
2025-02-26 20:42:18 B 12 42 57.83 -00 08 08.7 X L99
2025-02-26 20:44:03 B 12 42 58.60 -00 08 07.2 X L99
2025-02-26 20:49:24 C 12 43 01.457 -00 08 01.43 V L54
2025-02-26 21:01:55 C 12 43 06.857 -00 07 57.86 V L54
2025-02-26 23:52:40 C 12 44 21.403 -00 05 29.62 V M22
2025-02-26 23:53:31 B 12 44 22.536 -00 07 12.68 W Z80
2025-02-26 23:57:58 C 12 44 23.700 -00 05 28.03 V M22
2025-02-27 00:01:31 B 12 44 26.064 -00 07 10.13 W Z80
2025-02-27 00:09:31 B 12 44 29.578 -00 07 07.93 W Z80
2025-02-27 00:31:49 C 12 44 38.381 -00 05 17.59 V M22
2025-02-27 00:36:24 C 12 44 40.366 -00 05 16.22 V M22
2025-02-27 21:17:08 C 12 54 49.507 +00 00 15.93 W M01
2025-02-27 21:19:38 C 12 54 50.783 +00 00 16.87 W M01
2025-02-27 21:22:08 C 12 54 52.059 +00 00 17.81 W M01
2025-02-27 23:56:02 C 12 56 10.788 +00 01 14.62 W M01
2025-02-27 23:58:32 C 12 56 12.078 +00 01 15.59 W M01
2025-02-28 00:01:02 C 12 56 13.369 +00 01 16.57 W M01
2025-02-28 03:20:13 C 12 57 59.839 +00 02 13.63 q L05
2025-02-28 03:30:59 C 12 58 05.563 +00 02 17.74 q L05
2025-02-28 03:41:43 C 12 58 11.316 +00 02 21.98 q L05
2025-02-28 03:52:29 C 12 58 17.074 +00 02 26.02 q L05
2025-02-28 04:03:14 C 12 58 22.850 +00 02 30.23 q L05
2025-02-28 12:46:04 C 13 03 24.053 +00 06 35.75 V T08
2025-02-28 12:57:31 C 13 03 30.535 +00 06 40.57 V T08
2025-02-28 13:02:08 C 13 03 33.170 +00 06 42.48 V T08
2025-02-28 13:17:24 C 13 03 41.810 +00 06 48.96 V T08
2025-02-28 22:44:54 B 13 09 32.60 +00 10 23.0 X L76
2025-02-28 22:46:44 B 13 09 33.75 +00 10 23.9 X L76
2025-02-28 22:48:35 B 13 09 34.88 +00 10 24.5 X L76
2025-02-28 22:50:26 B 13 09 36.04 +00 10 25.6 X L76
2025-02-28 22:52:17 B 13 09 37.18 +00 10 26.5 X L76
2025-02-28 22:54:07 B 13 09 38.33 +00 10 27.0 X L76
2025-02-28 22:55:58 B 13 09 39.47 +00 10 28.1 X L76
2025-02-28 22:57:49 B 13 09 40.61 +00 10 28.8 X L76
2025-02-28 22:59:40 B 13 09 41.77 +00 10 29.8 X L76
2025-03-01 00:13:40 C 13 10 30.187 +00 10 59.88 Z C23
2025-03-01 00:20:34 C 13 10 34.574 +00 11 02.94 Z C23
2025-03-01 00:36:51 C 13 10 44.856 +00 11 10.28 Z C23
2025-03-01 06:34:19 C 13 14 41.062 +00 16 06.56 V W68
2025-03-01 06:36:55 C 13 14 42.763 +00 16 07.86 V W68
2025-03-01 06:42:10 C 13 14 46.198 +00 16 10.42 V W68
2025-03-01 06:49:59 C 13 14 51.322 +00 16 14.38 V W68
2025-03-01 20:54:20 C 13 25 01.26 +00 21 41.1 X D04
2025-03-01 20:57:28 C 13 25 03.64 +00 21 41.9 X D04
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)