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JPL Small-Body Database Browser
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136936 (1998 QO20)
Classification: Main-belt Asteroid          SPK-ID: 2136936
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214875915860792 7.1557e-08  
a 2.44654322101001 1.332e-08 au
q 1.904664255277255 1.7861e-07 au
i 3.418136204444912 6.8683e-06 deg
node 182.4175295861282 0.00011823 deg
peri 153.4331303457155 0.00011898 deg
M 142.3710540672803 1.6399e-05 deg
tp 2458047.726817590750
(2017-Oct-21.22681759)
6.1577e-05 TDB
period 1397.744414909574
3.83
1.1415e-05
3.125e-08
d
yr
n .2575578168368428 2.1034e-09 deg/d
Q 2.988422186742766 1.627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7973 days (21.83 yr)  
   first obs. used      1997-04-07  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62764  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:48:27  

Additional Information
 Earth MOID = .895004 au 
 Jupiter MOID = 2.40079 au 
 T_jup = 3.462 
[ 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 16.5   n/a MPO232063  

136936 (1998 QO20)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 QO20 = 2002 RO97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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