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8090 (1991 RO23)
Classification: Main-belt Asteroid          SPK-ID: 2008090
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298429542841801 9.262e-08  
a 3.174072633309744 3.6353e-08 au
q 2.76194166548824 2.822e-07 au
i 15.96803703143328 9.3557e-06 deg
node 8.016815416939457 2.36e-05 deg
peri 353.1237177861468 3.5051e-05 deg
M 103.6629731966144 2.6365e-05 deg
tp 2456805.735720190539
(2014-May-28.23572019)
0.00014952 JED
period 2065.492954029982
5.66
3.5484e-05
9.715e-08
d
yr
n .1742925335560232 2.9943e-09 deg/d
Q 3.586203601131248 4.1073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      15959 days (43.69 yr)  
   first obs. used      1972-04-09  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47661  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:06:16  

Additional Information
 Earth MOID = 1.75841 au 
 Jupiter MOID = 1.86345 au 
 T_jup = 3.128 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO328766  

8090 (1991 RO23)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 RO23 = 1972 GU1 = 1989 GS5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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