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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156238468197625 6.8325e-08  
a 3.000116113303589 2.8527e-08 au
q 2.653231147377474 2.1721e-07 au
i 11.08513519231516 8.3572e-06 deg
node 161.7337692462931 2.6911e-05 deg
peri 243.1881798696095 4.3803e-05 deg
M 44.3169414413328 3.5484e-05 deg
tp 2457166.846225533225
(2015-May-24.34622553)
0.00018605 JED
period 1898.040705706004
5.20
2.7072e-05
7.412e-08
d
yr
n .189669272591334 2.7052e-09 deg/d
Q 3.347001079229705 3.1825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      9968 days (27.29 yr)  
   first obs. used      1988-09-01  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:10:10  

Additional Information
 Earth MOID = 1.68167 au 
 Jupiter MOID = 2.14172 au 
 T_jup = 3.215 
[ 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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