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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303039461824646 1.1373e-07  
a 3.174099909183995 5.5344e-08 AU
q 2.760502165439918 3.7139e-07 AU
i 15.96689002231682 1.3292e-05 deg
node 8.020668210030982 2.821e-05 deg
peri 353.0065766368349 4.1909e-05 deg
M 359.1447547103969 3.655e-05 deg
tp 2456805.407016360903
(2014-May-27.90701636)
0.00020977 JED
period 2065.519578301205
5.66
5.4022e-05
1.479e-07
d
yr
n .174290286948567 4.5584e-09 deg/d
Q 3.587697652928072 6.2556e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      15082 days (41.29 yr)  
   first obs. used      1972-04-09  
   last obs. used      2013-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50228  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:10:00  

Additional Information
 Earth MOID = 1.75745 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 12.3 mag n/a MPO267740  

8090 (1991 RO23)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
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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