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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08850744902515008 3.6517e-08  
a 2.203787537298642 1.0216e-08 au
q 2.008735924178921 7.73e-08 au
i 5.410507834932309 3.4897e-06 deg
node 170.7445211623312 4.8036e-05 deg
peri 31.92681566142848 5.4667e-05 deg
M 213.1874973610792 2.7626e-05 deg
tp 2459687.819233171858
(2022-Apr-18.31923317)
9.3308e-05 TDB
period 1194.959017716247
3.27
8.3094e-06
2.275e-08
d
yr
n .3012655619671512 2.0949e-09 deg/d
Q 2.398839150418362 1.1121e-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 = 1.0074 au 
 Jupiter MOID = 2.55732 au 
 T_jup = 3.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457809.5 (2017-Feb-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08798476912328015 3.6654e-08  
q 2.010305052412007 7.7566e-08 au
tp 2457297.966880948447
(2015-Oct-02.46688095)
8.6761e-05 TDB
node 170.7896101346928 4.8035e-05 deg
peri 32.04778761047464 5.4702e-05 deg
i 5.410020600811659 3.4894e-06 deg
  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
 Jupiter MOID = 2.55732 au 
 T_jup = 3.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.343532311427563E-15 -2.825649012220358E-15 1.115933337883059E-12 -2.956092551113387E-15 3.454714987931E-13 -1.024277730562729E-15
q -2.825649012220358E-15 6.016548580057101E-15 -2.192146511189776E-12 6.133568285466381E-15 -6.737504058111517E-13 2.31390300621945E-15
tp 1.115933337883059E-12 -2.192146511189776E-12 7.527472808705954E-9 3.794957703225671E-12 2.291411316436428E-9 -2.918742403417501E-12
node -2.956092551113387E-15 6.133568285466381E-15 3.794957703225671E-12 2.307395685555634E-9 -2.295707726534194E-9 -7.304105695931979E-12
peri 3.454714987931E-13 -6.737504058111517E-13 2.291411316436428E-9 -2.295707726534194E-9 2.992330696908149E-9 6.351121736567298E-12
i -1.024277730562729E-15 2.31390300621945E-15 -2.918742403417501E-12 -7.304105695931979E-12 6.351121736567298E-12 1.217581191004767E-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 17.24   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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