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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160058745463638 8.2947e-08  
a 3.0013834031924 4.1048e-08 AU
q 2.653205296656123 2.5423e-07 AU
i 11.08399781600187 8.8545e-06 deg
node 161.7322552254468 3.5818e-05 deg
peri 243.0663476202702 5.2256e-05 deg
M 290.6590710782197 4.2962e-05 deg
tp 2457166.320295727423
(2015-May-23.82029573)
0.00023101 JED
period 1899.243470049708
5.20
3.8962e-05
1.067e-07
d
yr
n .1895491576920245 3.8885e-09 deg/d
Q 3.349561509728675 4.5809e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      9433 days (25.83 yr)  
   first obs. used      1988-09-01  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49127  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:21:28  

Additional Information
 Earth MOID = 1.68167 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 13.0 mag n/a MPO267745  

9317 (1988 RO4)          Discovered 1988-Sep-01 by Debehogne, H. at La Silla (809)
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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