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JPL Small-Body Database Browser
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39424 (3143 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08507643718517864 4.3827e-08  
a 2.239125451377243 8.4933e-09 au
q 2.048628635563412 9.9172e-08 au
i 2.453755994371412 4.1934e-06 deg
node 33.04782638966582 9.9671e-05 deg
peri 321.7837744206238 0.00010225 deg
M 223.5373552450397 2.5395e-05 deg
tp 2459064.403180238033
(2020-Aug-02.90318024)
8.7485e-05 TDB
period 1223.815830226472
3.35
6.9632e-06
1.906e-08
d
yr
n .2941619082778008 1.6737e-09 deg/d
Q 2.429622267191073 9.2159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      16671 days (45.64 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:55  

Additional Information
 Earth MOID = 1.04344 au 
 Jupiter MOID = 2.88125 au 
 T_jup = 3.630 
[ 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 15.0   n/a MPO337577  

39424 (3143 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3143 T-2 = 1999 JK31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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