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JPL Small-Body Database Browser
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392731 (2012 RR9)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392731
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06740685320807702 5.6754e-08  
a 1.899712571994488 1.3192e-08 au
q 1.771658925516517 1.025e-07 au
i 20.80772626877508 6.7377e-06 deg
node 179.788559705433 1.441e-05 deg
peri 283.8158302084688 5.8166e-05 deg
M 84.74812169575816 5.3993e-05 deg
tp 2458375.357308875700
(2018-Sep-13.85730888)
0.00014414 TDB
period 956.3795301059159
2.62
9.9619e-06
2.727e-08
d
yr
n .3764195998215595 3.9209e-09 deg/d
Q 2.027766218472459 1.4081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      4802 days (13.15 yr)  
   first obs. used      2006-04-08  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58956  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:10  

Additional Information
 Earth MOID = .847913 au 
 Jupiter MOID = 3.03768 au 
 T_jup = 3.866 
[ 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 17.6   n/a MPO423459  

392731 (2012 RR9)          Discovered 2006-Apr-08 by CSS at Catalina
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 RR9 = 2006 GS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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