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JPL Small-Body Database Browser
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390532 (1998 QO102)
Classification: Main-belt Asteroid          SPK-ID: 2390532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3249961587735757 1.3123e-07  
a 2.637577687378639 1.8899e-08 au
q 1.78037507051369 3.4982e-07 au
i 12.4360572824834 1.6284e-05 deg
node 354.3142352522258 3.6409e-05 deg
peri 336.0285355965083 3.8819e-05 deg
M 304.4991094346976 1.2581e-05 deg
tp 2458841.714698580268
(2019-Dec-24.21469858)
5.6217e-05 TDB
period 1564.610776591481
4.28
1.6816e-05
4.604e-08
d
yr
n .2300891732218943 2.473e-09 deg/d
Q 3.494780304243587 2.5041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      1998-08-26  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63233  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:43:39  

Additional Information
 Earth MOID = .777146 au 
 Jupiter MOID = 1.9163 au 
 T_jup = 3.288 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO413427  
diameter diameter 2.697 km 0.609 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390532 (1998 QO102)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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