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441339 (2008 CT138)
Classification: Main-belt Asteroid          SPK-ID: 2441339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159103146189534 7.3952e-08  
a 3.090307777332272 7.4455e-08 au
q 2.73210923059229 2.2434e-07 au
i 12.68150717019367 1.0705e-05 deg
node 148.6957923766576 2.8976e-05 deg
peri 128.3317027150392 5.628e-05 deg
M 348.2517776333397 4.7176e-05 deg
tp 2459065.254609173173
(2020-Aug-03.75460917)
0.00026087 TDB
period 1984.271200764581
5.43
7.1711e-05
1.963e-07
d
yr
n .1814268129584728 6.5567e-09 deg/d
Q 3.448506324072254 8.3085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4093 days (11.21 yr)  
   first obs. used      2008-02-08  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:28:15  

Additional Information
 Earth MOID = 1.73703 au 
 Jupiter MOID = 1.86292 au 
 T_jup = 3.177 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO472456  

441339 (2008 CT138)          Discovered 2008-Feb-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1931-Jan-08 23:30 00:10 Jupiter 1.9031831078161 1.90318093606454 1.90318527960585 3.01835142194427 2.86711246370321 2426350.479265049 10.3575847213711 550.623545663123 37.1888377329691 -89.422303780393 708400.308259437 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
1940-Sep-12 08:03 00:10 Jupiter 1.86809646167162 1.86809531091571 1.86809761243028 2.99946736134128 2.84428812258447 2429884.835093111 9.56728329260669 559.139781463792 35.1668026707343 80.8566403770462 850312.455441486 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2001-Feb-20 05:12 00:02 Jupiter 1.86499734524114 1.86499618142116 1.8649985090625 1.9956813583707 1.75339888604047 2451960.716685180 2.17057645694257 183.014253374956 59.2084019759341 87.8590960136989 1552142.49336825 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2010-Nov-27 06:38 < 00:01 Jupiter 1.95588801424037 1.95588692258817 1.95588910589256 4.49402543518169 4.39660537599381 2455527.776683751 0.700704191902889 92.7312059336365 46.7724073083183 -80.6029534737595 1346451.90073228 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2061-Jul-14 00:17 00:05 Jupiter 1.89013314105552 1.89013209427971 1.89013418783187 3.09833789386703 2.95015943956408 2474019.511738746 5.43084244409104 306.147948436743 38.4282187053174 87.1934238377665 840400.327492336 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2071-Mar-22 06:45 00:07 Jupiter 1.88857071595303 1.8885694459508 1.88857198595858 2.93044653372778 2.77317839723722 2477557.780960446 7.03197542852672 405.870631071598 35.3863179176075 81.7839194172887 877796.457622212 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2131-Sep-02 04:02 00:16 Jupiter 1.86743157908029 1.86743024759692 1.86743291059583 2.08610357424619 1.8559837624095 2499635.668321408 15.6050429882944 907.597088212443 73.1080371935986 -76.0822494061604 1665259.94568525 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2141-Jun-04 08:32 00:14 Jupiter 1.97743543089155 1.97743189242736 1.97743896957897 4.49169029002817 4.3952922256569 2503198.855359666 14.1095809071211 1125.67701118743 47.1801719513918 -83.3877153246394 1305682.58563537 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28
2192-Jan-20 13:07 00:21 Jupiter 1.87886377232873 1.87886134927292 1.87886619562453 3.191756086387 3.04724042482106 2521691.046403121 20.8044941565643 1209.62285925912 36.156609889636 89.4076733884127 837545.448060941 T 15 CATAB v2.0e-lin.ifort 2019-Jul-14 10:28:17 2019-Jul-14 10:28

Alternate Designations
 2008 CT138 = 2013 CX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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