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
2020-10-15 12:06:26 C 00 39 17.202 -10 31 07.23 U F51
2020-10-15 12:30:51 C 00 39 15.650 -10 31 13.49 U F51
2020-10-20 07:30:11 C 00 32 27.131 -10 57 20.70 U F52
2020-10-20 07:47:44 C 00 32 26.116 -10 57 24.32 U F52
2020-10-20 08:05:16 C 00 32 25.088 -10 57 27.92 U F52
2020-10-20 08:22:50 C 00 32 24.082 -10 57 31.31 U F52
2020-10-21 05:37:40 C 00 31 12.90 -11 01 30.9 V G96
2020-10-21 05:45:46 C 00 31 12.41 -11 01 31.9 V G96
2020-10-21 05:53:53 C 00 31 11.97 -11 01 33.7 V G96
2020-10-21 06:01:58 C 00 31 11.48 -11 01 35.4 V G96
2020-11-08 06:12:44 C 00 13 00.284 -11 28 35.13 U F52
2020-11-08 06:28:38 C 00 12 59.811 -11 28 34.41 U F52
2020-11-08 06:44:28 C 00 12 59.337 -11 28 34.15 U F52
2021-09-18 11:54:28 C 08 47 32.13 +16 21 09.5 V G96
2021-09-18 11:59:15 C 08 47 32.82 +16 21 07.6 V G96
2021-09-18 12:04:02 C 08 47 33.65 +16 21 05.3 V G96
2021-09-18 12:08:48 C 08 47 34.37 +16 21 02.7 V G96
2022-09-05 13:32:46 C 02 40 41.771 +03 45 39.30 U F52
2022-09-05 13:50:29 C 02 40 41.471 +03 45 34.30 U F52
2022-09-05 14:08:13 C 02 40 41.174 +03 45 29.30 U F52
2022-09-05 14:26:12 C 02 40 40.856 +03 45 24.23 U F52
2022-09-17 14:01:07 C 02 33 32.625 +02 12 24.11 U F51
2022-09-17 14:20:23 C 02 33 31.939 +02 12 16.97 U F51
2022-09-17 14:39:39 C 02 33 31.250 +02 12 10.09 U F51
2022-09-22 12:19:36 C 02 29 04.583 +01 28 17.53 U F51
2022-09-22 12:39:46 C 02 29 03.710 +01 28 09.78 U F51
2022-09-22 12:59:57 C 02 29 02.844 +01 28 01.97 U F51
2022-09-22 13:20:12 C 02 29 01.967 +01 27 54.24 U F51
2022-09-27 09:07:45 C 02 23 49.524 +00 42 18.54 V G96
2022-09-27 09:15:58 C 02 23 49.121 +00 42 15.26 V G96
2022-09-27 09:24:12 C 02 23 48.685 +00 42 12.02 V G96
2022-09-27 09:32:25 C 02 23 48.289 +00 42 08.60 V G96
2022-09-27 12:21:15 C 02 23 40.121 +00 41 02.31 U F51
2022-09-27 12:39:35 C 02 23 39.203 +00 40 54.86 U F51
2022-09-27 12:57:55 C 02 23 38.284 +00 40 47.57 U F51
2022-09-27 13:16:04 C 02 23 37.368 +00 40 40.23 U F51
2022-10-01 11:35:28 C 02 18 48.401 +00 02 24.59 U F51
2022-10-01 11:54:48 C 02 18 47.332 +00 02 16.60 U F51
2022-10-01 12:14:08 C 02 18 46.267 +00 02 08.79 U F51
2022-10-01 12:33:38 C 02 18 45.186 +00 02 00.79 U F51
2022-10-14 10:32:40 C 02 00 15.293 -02 02 40.21 U F51
2022-10-14 10:48:37 C 02 00 14.248 -02 02 46.50 U F51
2022-10-14 11:04:36 C 02 00 13.176 -02 02 52.43 U F51
2022-10-14 11:07:27 C 02 00 12.980 -02 02 53.59 U F51
2022-10-14 11:25:35 C 02 00 11.795 -02 03 00.40 U F51
2022-10-14 11:43:45 C 02 00 10.577 -02 03 07.33 U F51
2022-10-14 12:01:51 C 02 00 09.394 -02 03 14.49 U F51
2022-10-18 08:55:33 C 01 54 07.925 -02 37 50.57 U F51
2022-10-18 09:12:35 C 01 54 06.781 -02 37 56.63 U F51
2022-10-18 09:29:40 C 01 54 05.636 -02 38 02.83 U F51
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)