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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08858736170276622 4.3845e-08  
a 2.203619272481478 1.5701e-08 au
q 2.008406454934975 9.8934e-08 au
i 5.410661443561553 6.225e-06 deg
node 170.745645017369 6.1901e-05 deg
peri 31.98845206700989 7.6513e-05 deg
M 152.8565392607317 4.8595e-05 deg
tp 2458493.176719784680
(2019-Jan-09.67671978)
0.00015828 TDB
period 1194.822163060929
3.27
1.277e-05
3.496e-08
d
yr
n .3013000688552194 3.2201e-09 deg/d
Q 2.398832090027982 1.7092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:27:31  

Additional Information
 Earth MOID = 1.00788 au 
 Jupiter MOID = 2.55846 au 
 T_jup = 3.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456754.5 (2014-Apr-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08857163395962861 4.374e-08  
q 2.008449430353436 9.8609e-08 au
tp 2457298.300118409162
(2015-Oct-02.80011841)
0.00015186 TDB
node 170.810239509652 6.1946e-05 deg
peri 32.18228460904176 7.6565e-05 deg
i 5.408233581053533 6.2223e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:27:31  

Additional Information
 Jupiter MOID = 2.55846 au 
 T_jup = 3.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.913206759702979E-15 -4.268165501655804E-15 -1.787414821329127E-12 1.743010826541765E-14 -4.983669654598784E-13 -1.367644533966717E-15
q -4.268165501655804E-15 9.723730200472872E-15 4.970592413133294E-12 -4.242133621719824E-14 1.381749000890014E-12 4.254614310965793E-15
tp -1.787414821329127E-12 4.970592413133294E-12 2.30628840846514E-8 -7.163510825476761E-11 6.86022545309175E-9 1.94818078479532E-11
node 1.743010826541765E-14 -4.242133621719824E-14 -7.163510825476761E-11 3.83732090623213E-9 -3.840444857676441E-9 -1.720173873233859E-10
peri -4.983669654598784E-13 1.381749000890014E-12 6.86022545309175E-9 -3.840444857676441E-9 5.862147796373177E-9 1.769297493976416E-10
i -1.367644533966717E-15 4.254614310965793E-15 1.94818078479532E-11 -1.720173873233859E-10 1.769297493976416E-10 3.87175158649356E-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

[ 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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