136849 (1998 CS1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5782683534 ± 1.48e-08
Semi-major axis (a)1.4915071025 AU ± 9.26e-10
Inclination (i)7.79146520° ± 2.71e-06
Long. of Asc. Node (Ω)110.66795390° ± 4.37e-06
Arg. of Perihelion (ω)97.81181498° ± 5.15e-06
Mean Anomaly (M)61.05048045° ± 3.12e-06
Mean Motion (n)0.5410959551°/day ± 5.04e-10
Perihelion dist (q)0.62901575 AU ± 2.21e-08
Aphelion dist (Q)2.35399846 AU ± 2.22e-08
Orbital Period1.82153696 yr ± 1.70e-09
Physical Parameters
H (abs. magnitude)17.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.019663 AU
Observations Used705
Radar Obs Used3
Oppositions5
Arc Total1998-2025
First Observation Used1998-02-09
Last Observation Used2025-02-15
Observations (785)
Date Type RA Dec Mag Band Observatory
2015-11-12 06:52:11 C 03 21 32.53 +05 28 07.1 q 703
2015-11-12 06:56:45 C 03 21 32.02 +05 28 04.7 R G45
2015-11-12 07:09:48 C 03 21 31.10 +05 28 02.2 q 703
2015-11-12 07:17:36 C 03 21 30.44 +05 27 58.8 R G45
2015-11-17 08:17:57 C 03 12 23.263 +04 56 31.92 L F51
2015-11-17 08:33:46 C 03 12 22.033 +04 56 28.07 L F51
2015-11-17 08:49:40 C 03 12 20.799 +04 56 24.15 L F51
2015-11-17 09:05:38 C 03 12 19.555 +04 56 20.29 L F51
2015-11-30 03:58:54 C 02 49 40.81 +03 56 52.0 u 807
2015-11-30 04:02:21 C 02 49 40.56 +03 56 52.0 u 807
2015-11-30 04:05:57 C 02 49 40.32 +03 56 51.5 u 807
2015-11-30 04:09:14 C 02 49 40.06 +03 56 51.0 u 807
2015-11-30 04:12:52 C 02 49 39.82 +03 56 50.7 u 807
2015-12-02 05:07:10 C 02 46 19.81 +03 50 34.3 R G45
2015-12-02 05:14:30 C 02 46 19.31 +03 50 34.2 R G45
2015-12-02 05:20:04 C 02 46 18.90 +03 50 33.1 R G45
2015-12-02 05:27:21 C 02 46 18.36 +03 50 32.1 R G45
2015-12-03 05:46:26 C 02 44 41.42 +03 47 53.4 R G45
2015-12-03 05:55:11 C 02 44 40.86 +03 47 52.0 R G45
2015-12-03 06:03:16 C 02 44 40.29 +03 47 51.2 R G45
2015-12-03 06:11:29 C 02 44 39.74 +03 47 50.4 R G45
2015-12-03 06:23:42 C 02 44 38.92 +03 47 48.5 R G45
2015-12-03 06:40:18 C 02 44 37.82 +03 47 47.5 R G45
2015-12-08 07:26:58 C 02 37 06.061 +03 38 33.90 L F51
2015-12-08 07:43:06 C 02 37 05.081 +03 38 33.09 L F51
2015-12-08 07:59:16 C 02 37 04.098 +03 38 32.27 L F51
2015-12-08 08:15:27 C 02 37 03.117 +03 38 31.56 L F51
2015-12-09 06:33:40 C 02 35 45.39 +03 37 31.7 o 691
2015-12-09 06:42:59 C 02 35 44.85 +03 37 31.5 o 691
2015-12-09 06:52:18 C 02 35 44.29 +03 37 31.1 o 691
2015-12-29 12:22:16 C 02 16 35.18 +04 10 28.8 q D29
2015-12-29 12:57:34 C 02 16 34.48 +04 10 33.9 q D29
2016-01-04 05:48:44 C 02 14 23.973 +04 36 41.73 L F51
2016-01-04 06:07:11 C 02 14 23.730 +04 36 45.59 L F51
2016-01-04 06:25:41 C 02 14 23.497 +04 36 49.69 L F51
2016-01-04 06:44:10 C 02 14 23.259 +04 36 53.62 L F51
2016-01-14 05:34:23 C 02 13 49.063 +05 36 45.71 L F51
2016-01-14 05:52:09 C 02 13 49.140 +05 36 50.81 L F51
2016-01-14 06:10:01 C 02 13 49.215 +05 36 55.81 L F51
2016-02-01 06:12:15 C 02 21 55.080 +08 00 58.11 L F51
2016-02-01 06:19:59 C 02 21 55.297 +08 01 01.16 L F51
2016-02-01 06:27:44 C 02 21 55.533 +08 01 03.60 L F51
2016-02-01 06:35:32 C 02 21 55.774 +08 01 06.87 L F51
2016-03-06 05:36:33 C 03 02 25.370 +13 47 36.99 L F51
2016-03-06 05:44:09 C 03 02 25.879 +13 47 40.70 L F51
2016-03-06 05:51:44 C 03 02 26.381 +13 47 44.15 L F51
2016-03-06 05:59:20 C 03 02 26.891 +13 47 47.36 L F51
2016-03-27 02:48:17 C 03 41 17.66 +17 40 30.3 q G96
2016-03-27 02:57:07 C 03 41 18.43 +17 40 34.4 q G96
2016-03-27 03:05:56 C 03 41 19.22 +17 40 38.9 q G96
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-01-13 09:50:00 54746571.67 5 us 8560 -14 -14
2009-01-14 06:40:00 47122758.63 5 us 8560 -14 -14
2009-01-17 09:37:00 29259325.14 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)