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215396 (2002 CT258)
Classification: Main-belt Asteroid          SPK-ID: 2215396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08858734759268128 3.6913e-08  
a 2.20361928934182 1.0558e-08 au
q 2.008406501394958 7.8148e-08 au
i 5.410664103891931 3.8109e-06 deg
node 170.7456490538199 5.0139e-05 deg
peri 31.98844179362584 5.7383e-05 deg
M 152.856534881469 2.9009e-05 deg
tp 2458493.176728496785
(2019-Jan-09.67672850)
9.4937e-05 TDB
period 1194.822176773671
3.27
8.5869e-06
2.351e-08
d
yr
n .301300065397257 2.1654e-09 deg/d
Q 2.398832077288681 1.1493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:50:57  

Additional Information
 Earth MOID = 1.00788 au 
 Jupiter MOID = 2.55846 au 
 T_jup = 3.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457616.5 (2016-Aug-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08800109153512232 3.7005e-08  
q 2.010117609955274 7.8308e-08 au
tp 2457297.796411393462
(2015-Oct-02.29641139)
9.2753e-05 TDB
node 170.7894940929711 5.014e-05 deg
peri 31.98777111642789 5.7446e-05 deg
i 5.410007551530248 3.8103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:50:57  

Additional Information
 Jupiter MOID = 2.55846 au 
 T_jup = 3.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.369403887885398E-15 -2.879093568744113E-15 9.487273465121869E-13 5.271395489442742E-15 2.848476712157963E-13 -1.503016323243952E-15
q -2.879093568744113E-15 6.132128509756184E-15 -1.850695044333294E-12 -1.082184028135091E-14 -5.515763833972438E-13 3.327526324724188E-15
tp 9.487273465121869E-13 -1.850695044333294E-12 8.603032937230202E-9 1.310670100128983E-11 2.622824062566315E-9 -3.256287222033739E-12
node 5.271395489442742E-15 -1.082184028135091E-14 1.310670100128983E-11 2.514004106306273E-9 -2.498572584566522E-9 -2.723525507206209E-11
peri 2.848476712157963E-13 -5.515763833972438E-13 2.622824062566315E-9 -2.498572584566522E-9 3.300008568073778E-9 2.608147873131386E-11
i -1.503016323243952E-15 3.327526324724188E-15 -3.256287222033739E-12 -2.723525507206209E-11 2.608147873131386E-11 1.451845872020145E-11

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 17.1   n/a MPO433409  

215396 (2002 CT258)          Discovered 2002-Feb-06 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ hide close-approach data ]
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
1983-Nov-03 05:05 < 00:01 Hebe 0.0107993628075038 0.0107981125329953 0.0108006130822677 6.7222264494075 6.7222263637735 2445641.711572204 0.353664195920935 307.762369908033 62.3300380707792 89.8966949500281 25912.1876323313 T 15 CATAB v2.0f-lin.ifort 2020-Dec-17 23:50:58 2020-Dec-17 23:50

Alternate Designations
 2002 CT258 = 2009 HJ88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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