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JPL Small-Body Database Browser
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393500 (2002 RQ22)
Classification: Main-belt Asteroid          SPK-ID: 2393500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185747309051972 9.6203e-08  
a 2.667482103545972 2.0537e-08 au
q 2.084437920568982 2.5846e-07 au
i 4.898828012671332 9.7727e-06 deg
node 351.8491288084575 6.16e-05 deg
peri 1.035924429702259 6.3312e-05 deg
M 20.88329330429397 1.4074e-05 deg
tp 2458908.190332674178
(2020-Feb-28.69033267)
6.1657e-05 TDB
period 1591.295000892555
4.36
1.8377e-05
5.031e-08
d
yr
n .2262308370214678 2.6126e-09 deg/d
Q 3.250526286522963 2.5026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5691 days (15.58 yr)  
   first obs. used      2002-08-20  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:55:28  

Additional Information
 Earth MOID = 1.07919 au 
 Jupiter MOID = 2.18817 au 
 T_jup = 3.343 
[ 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 16.7   n/a MPO440698  

393500 (2002 RQ22)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-05-15

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