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JPL Small-Body Database Browser
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390669 (2002 SZ20)
Classification: Main-belt Asteroid          SPK-ID: 2390669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392758784078504 1.152e-07  
a 2.851544381769598 1.1593e-07 au
q 2.454393033179667 4.008e-07 au
i 15.10796766999423 1.9173e-05 deg
node 7.497397167493484 3.1564e-05 deg
peri 50.43221831499476 0.00020607 deg
M 118.8076846525953 0.00022652 deg
tp 2458020.055551949079
(2017-Sep-23.55555195)
0.0010733 TDB
period 1758.808800199667
4.82
0.00010725
2.936e-07
d
yr
n .2046839883670876 1.2482e-08 deg/d
Q 3.24869573035953 1.3207e-07 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6061 days (16.59 yr)  
   first obs. used      2002-09-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74144  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:01:53  

Additional Information
 Earth MOID = 1.49172 au 
 Jupiter MOID = 2.292 au 
 T_jup = 3.240 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO472015  

390669 (2002 SZ20)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

Alternate Designations
 2002 SZ20 = 2007 TK158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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