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JPL Small-Body Database Browser
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74162 (1998 QR102)
Classification: Main-belt Asteroid          SPK-ID: 2074162
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06232052266339085 4.5536e-08  
a 2.395957267539597 9.5798e-09 au
q 2.24663995834738 1.0814e-07 au
i 4.167113374338541 4.2785e-06 deg
node 59.32395972431481 5.7813e-05 deg
peri 359.3597745495387 6.8061e-05 deg
M 140.3671852390917 3.5507e-05 deg
tp 2458072.322229146423
(2017-Nov-14.82222915)
0.00013322 TDB
period 1354.618582565502
3.71
8.1243e-06
2.224e-08
d
yr
n .2657574645980411 1.5939e-09 deg/d
Q 2.545274576731815 1.0177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1314  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:11  

Additional Information
 Earth MOID = 1.25831 au 
 Jupiter MOID = 2.63885 au 
 T_jup = 3.523 
[ 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 14.9   n/a MPO337816  

74162 (1998 QR102)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QR102 = 2000 BF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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