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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08840519914936598 3.6493e-08  
a 2.204128270874413 1.0222e-08 au
q 2.009271872137013 7.7263e-08 au
i 5.410468977901387 3.4897e-06 deg
node 170.7397326588169 4.8032e-05 deg
peri 31.84845641765454 5.4683e-05 deg
M 272.3098337010766 2.7859e-05 deg
tp 2459687.640160642301
(2022-Apr-18.14016064)
9.3467e-05 TDB
period 1195.236162216232
3.27
8.3147e-06
2.276e-08
d
yr
n .3011957062380713 2.0953e-09 deg/d
Q 2.398984669611814 1.1126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7968 days (21.82 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:50:34  

Additional Information
 Earth MOID = 1.00946 au 
 Jupiter MOID = 2.55615 au 
 T_jup = 3.652 
[ 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 17.24   n/a MPCxxxxx  

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

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