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JPL Small-Body Database Browser
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434130 (2002 QS81)
Classification: Main-belt Asteroid          SPK-ID: 2434130
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940810826030161 1.0293e-07  
a 2.776862940494324 3.3599e-08 au
q 2.237926374762991 2.8809e-07 au
i 5.332158009640409 1.0883e-05 deg
node 111.2968205320241 0.00012586 deg
peri 223.0830784065673 0.00013058 deg
M 304.1267187823127 3.7068e-05 deg
tp 2459262.820220901781
(2021-Feb-17.32022090)
0.00017727 TDB
period 1690.16885113142
4.63
3.0675e-05
8.398e-08
d
yr
n .2129964705946459 3.8657e-09 deg/d
Q 3.315799506225658 4.0119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      5610 days (15.36 yr)  
   first obs. used      2002-08-14  
   last obs. used      2017-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60774  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:19:12  

Additional Information
 Earth MOID = 1.23128 au 
 Jupiter MOID = 2.06311 au 
 T_jup = 3.301 
[ 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 17.3   n/a MPO434582  

434130 (2002 QS81)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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