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393533 (2002 TJ309)
Classification: Main-belt Asteroid          SPK-ID: 2393533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002315231487934384 6.5196e-08  
a 2.743449367695403 2.2794e-08 au
q 2.737097647333762 1.7996e-07 au
i 7.136273142852694 6.8497e-06 deg
node 133.1376955336538 5.6023e-05 deg
peri 191.7149850997194 0.0014858 deg
M 13.44250514067429 0.0014827 deg
tp 2458938.524282774242
(2020-Mar-30.02428277)
0.0068362 TDB
period 1659.754485327545
4.54
2.0685e-05
5.663e-08
d
yr
n .2168995494107405 2.7032e-09 deg/d
Q 2.749801088057046 2.2847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2002-10-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:16:28  

Additional Information
 Earth MOID = 1.72266 au 
 Jupiter MOID = 2.23553 au 
 T_jup = 3.338 
[ 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 17.1   n/a MPO440698  

393533 (2002 TJ309)          Discovered 2002-Oct-04 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2002 TJ309 = 2004 BG131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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