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
2009-01-11 14:30:52 C 09 27 26.01 +19 35 49.2 r D35
2009-01-11 14:43:22 C 09 27 32.81 +19 36 34.3 r D35
2009-01-11 14:55:46 C 09 27 39.59 +19 37 19.1 r D35
2009-01-11 15:08:15 C 09 27 46.38 +19 38 04.2 r D35
2009-01-11 15:20:38 C 09 27 53.14 +19 38 48.9 r D35
2009-01-11 15:33:10 C 09 27 59.96 +19 39 34.2 r D35
2009-01-11 15:45:35 C 09 28 06.74 +19 40 19.0 r D35
2009-01-11 15:58:01 C 09 28 13.53 +19 41 04.0 r D35
2009-01-11 16:24:42 C 09 28 28.12 +19 42 40.5 r D35
2009-01-11 16:37:09 C 09 28 34.95 +19 43 25.5 r D35
2009-01-11 16:49:40 C 09 28 41.81 +19 44 10.7 r D35
2009-01-11 16:59:38 C 09 28 47.29 +19 44 46.7 r D35
2009-01-11 20:34:05 C 09 30 58.76 +19 56 40.3 c 595
2009-01-11 20:45:04 C 09 31 05.36 +19 57 22.0 c 595
2009-01-11 20:59:42 C 09 31 14.15 +19 58 17.6 c 595
2009-01-11 21:13:14 C 09 31 22.22 +19 59 09.7 c 595
2009-01-12 22:25:17 C 09 49 37.49 +21 45 27.2 o A92
2009-01-12 22:32:40 C 09 49 43.67 +21 46 02.9 o A92
2009-01-12 22:36:26 C 09 49 46.84 +21 46 22.5 o A92
2009-01-16 09:10:04 C 12 17 06.81 +30 04 29.5 13.4 c 704
2009-01-16 09:27:31 C 12 18 02.35 +30 05 42.0 13.5 c 704
2009-01-16 09:45:00 C 12 18 58.19 +30 06 53.3 13.6 c 704
2009-01-16 10:02:28 C 12 19 54.14 +30 08 02.2 13.6 c 704
2009-01-16 10:19:54 C 12 20 50.08 +30 09 09.6 13.4 c 704
2009-01-16 23:16:14 C 13 06 50.10 +30 27 36.9 w 160
2009-01-16 23:18:04 C 13 06 57.05 +30 27 36.2 w 160
2009-01-16 23:19:54 C 13 07 04.07 +30 27 35.5 w 160
2009-01-16 23:22:43 C 13 07 14.55 +30 27 34.4 w 160
2010-11-03 11:56:03 C 10 50 16.08 +07 12 00.1 o 691
2010-11-03 12:14:07 C 10 50 19.70 +07 11 43.1 o 691
2010-11-03 12:32:15 C 10 50 23.37 +07 11 25.4 o 691
2010-11-16 12:07:51 C 11 58 13.33 +01 35 06.4 r G96
2010-11-16 12:12:55 C 11 58 14.55 +01 35 00.1 r G96
2010-11-16 12:17:59 C 11 58 15.67 +01 34 53.9 r G96
2010-11-16 12:22:57 C 11 58 16.82 +01 34 48.2 r G96
2015-10-08 11:23:19 C 04 05 42.541 +09 24 09.35 L F51
2015-10-08 11:40:48 C 04 05 42.081 +09 24 05.22 L F51
2015-10-08 11:58:18 C 04 05 41.633 +09 24 01.05 L F51
2015-10-08 12:15:47 C 04 05 41.170 +09 23 56.81 L F51
2015-11-03 10:08:55 C 03 36 39.149 +06 29 27.89 L F51
2015-11-03 10:25:52 C 03 36 37.994 +06 29 22.91 L F51
2015-11-03 10:42:53 C 03 36 36.817 +06 29 17.77 L F51
2015-11-03 10:59:57 C 03 36 35.650 +06 29 12.82 L F51
2015-11-06 09:16:29 C 03 31 47.774 +06 08 24.75 L F51
2015-11-06 09:33:22 C 03 31 46.561 +06 08 19.75 L F51
2015-11-06 10:07:04 C 03 31 44.142 +06 08 09.82 L F51
2015-11-12 06:21:20 C 03 21 34.68 +05 28 14.3 R G45
2015-11-12 06:29:34 C 03 21 34.11 +05 28 12.0 R G45
2015-11-12 06:39:14 C 03 21 33.36 +05 28 09.7 R G45
2015-11-12 06:46:33 C 03 21 32.79 +05 28 07.4 R G45
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)