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9317 (1988 RO4)
Classification: Main-belt Asteroid          SPK-ID: 2009317
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156213336342207 6.2431e-08  
a 3.001021537312129 2.644e-08 au
q 2.654039424903081 1.9648e-07 au
i 11.08502018548526 8.0112e-06 deg
node 161.7337649828218 2.6581e-05 deg
peri 243.3459736319242 4.2432e-05 deg
M 82.09567469340014 3.3273e-05 deg
tp 2457167.468119642424
(2015-May-24.96811964)
0.00017427 JED
period 1898.900003087005
5.20
2.5095e-05
6.871e-08
d
yr
n .1895834427377719 2.5055e-09 deg/d
Q 3.348003649721176 2.9498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      10047 days (27.51 yr)  
   first obs. used      1988-09-01  
   last obs. used      2016-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50374  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:03:05  

Additional Information
 Earth MOID = 1.6825 au 
 Jupiter MOID = 2.13882 au 
 T_jup = 3.214 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO358721  

9317 (1988 RO4)          Discovered 1988-Sep-01 by Debehogne, H. at La Silla
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 RO4 = 1993 PZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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