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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293710339301175 8.5006e-08  
a 3.176040302285957 3.5614e-08 au
q 2.765152684575499 2.5429e-07 au
i 15.96922029845603 6.9439e-06 deg
node 8.010648050633042 2.2244e-05 deg
peri 353.3443686077231 3.2669e-05 deg
M 138.2981368551559 2.5159e-05 deg
tp 2456806.279189208130
(2014-May-28.77918921)
0.00014093 JED
period 2067.413910170936
5.66
3.4774e-05
9.521e-08
d
yr
n .1741305880883015 2.9289e-09 deg/d
Q 3.586927919996414 4.0221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      16067 days (43.99 yr)  
   first obs. used      1972-04-09  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:01:10  

Additional Information
 Earth MOID = 1.76236 au 
 Jupiter MOID = 1.86256 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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