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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385142770611256 1.1616e-07  
a 2.853329675639527 1.1764e-07 au
q 2.458102778401261 4.0566e-07 au
i 15.10185251096792 1.9168e-05 deg
node 7.473003183331403 3.157e-05 deg
peri 50.40392914487769 0.00020727 deg
M 200.7356042437062 0.00023248 deg
tp 2459779.329788927436
(2022-Jul-18.82978893)
0.0011828 TDB
period 1760.460790262956
4.82
0.00010887
2.981e-07
d
yr
n .2044919159751508 1.2646e-08 deg/d
Q 3.248556572877792 1.3393e-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 = 1.49582 au 
 Jupiter MOID = 2.28858 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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