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
2018-09-11 16:44:41 S 23 43 14.021 -18 03 19.37 V C57
2018-09-11 17:14:41 S 23 43 11.717 -18 03 26.28 V C57
2018-09-16 07:08:00 C 23 34 30.38 -18 52 54.8 V G96
2018-09-16 07:15:29 C 23 34 29.73 -18 52 57.7 V G96
2018-09-16 07:27:33 C 23 34 28.71 -18 53 02.5 V G96
2018-09-16 11:15:59 C 23 34 09.72 -18 54 33.6 U T05
2018-09-16 11:30:45 C 23 34 08.44 -18 54 39.6 U T05
2018-09-16 11:44:50 C 23 34 07.27 -18 54 44.8 U T05
2018-09-16 11:59:28 C 23 34 06.00 -18 54 50.9 U T05
2019-10-25 11:42:31 C 08 13 02.47 +14 47 52.4 V G96
2019-10-25 11:49:21 C 08 13 03.22 +14 47 50.4 V G96
2019-10-25 11:56:10 C 08 13 04.00 +14 47 48.4 V G96
2019-10-26 14:50:17 C 08 16 05.668 +14 39 27.02 U F51
2019-10-26 14:51:25 C 08 16 05.778 +14 39 26.75 U F51
2019-10-26 14:58:03 C 08 16 06.528 +14 39 24.54 U F51
2019-10-26 14:59:12 C 08 16 06.653 +14 39 24.20 U F51
2019-10-26 15:05:49 C 08 16 07.396 +14 39 22.11 U F51
2019-10-26 15:06:56 C 08 16 07.513 +14 39 21.81 U F51
2019-10-26 15:13:33 C 08 16 08.251 +14 39 19.74 U F51
2019-10-26 15:14:39 C 08 16 08.369 +14 39 19.40 U F51
2019-11-04 14:22:37 C 08 41 49.095 +13 23 17.00 U F51
2019-11-04 14:54:42 C 08 41 53.081 +13 23 04.48 U F51
2019-11-04 15:11:07 C 08 41 55.124 +13 22 58.05 U F51
2019-11-24 09:38:30 C 09 53 12.55 +09 14 00.8 V 703
2019-11-24 10:01:18 C 09 53 16.71 +09 13 46.5 V 703
2019-11-30 05:08:55 C 10 20 21.64 +07 27 47.6 V C95
2019-11-30 05:15:01 C 10 20 22.83 +07 27 42.1 V C95
2019-11-30 05:21:05 C 10 20 24.17 +07 27 37.8 V C95
2019-12-03 10:19:46 C 10 37 08.12 +06 19 52.2 V 703
2019-12-03 10:27:20 C 10 37 09.83 +06 19 46.2 V 703
2019-12-03 10:34:53 C 10 37 11.49 +06 19 38.9 V 703
2019-12-03 10:42:27 C 10 37 13.23 +06 19 31.8 V 703
2019-12-06 01:30:50 C 10 51 55.03 +05 18 59.3 o K95
2019-12-06 01:41:46 C 10 51 57.62 +05 18 48.0 o K95
2019-12-07 15:09:01 C 11 01 12.16 +04 39 49.7 V T08
2019-12-07 15:13:13 C 11 01 13.20 +04 39 44.8 V T08
2019-12-07 15:24:02 C 11 01 15.90 +04 39 34.3 V T08
2019-12-07 15:30:17 C 11 01 17.40 +04 39 26.6 V T08
2019-12-09 14:11:02 C 11 13 21.12 +03 48 25.2 V T05
2019-12-09 14:15:41 C 11 13 22.33 +03 48 19.5 V T05
2019-12-09 14:26:05 C 11 13 25.08 +03 48 08.1 V T05
2019-12-09 14:40:22 C 11 13 28.79 +03 47 51.9 V T05
2019-12-11 14:17:54 C 11 26 24.83 +02 52 37.6 V T08
2019-12-11 14:23:15 C 11 26 26.29 +02 52 30.7 V T08
2019-12-11 14:31:07 C 11 26 28.40 +02 52 21.0 V T08
2019-12-11 14:45:42 C 11 26 32.52 +02 52 03.0 V T08
2019-12-27 13:43:45 C 13 32 20.52 -05 59 22.2 V T08
2019-12-27 13:48:24 C 13 32 22.24 -05 59 29.2 V T08
2019-12-27 13:57:45 C 13 32 25.62 -05 59 42.8 V T08
2019-12-27 14:16:20 C 13 32 32.39 -06 00 09.6 V T08
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)