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6045 (1991 RG9)
Classification: Main-belt Asteroid          SPK-ID: 2006045
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 .1384952323040002 4.3513e-08  
a 2.217011612000641 8.3878e-09 au
q 1.909966073775946 9.6086e-08 au
i 3.093219231168239 4.7431e-06 deg
node 202.6056305293538 8.173e-05 deg
peri 86.28558290671189 8.4434e-05 deg
M 254.1902291110985 2.4189e-05 deg
tp 2457954.883629564956
(2017-Jul-20.38362957)
8.1709e-05 JED
period 1205.730865605399
3.30
6.8426e-06
1.873e-08
d
yr
n .2985740933315524 1.6944e-09 deg/d
Q 2.524057150225335 9.5495e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1722  
   data-arc span      16336 days (44.73 yr)  
   first obs. used      1971-07-28  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52327  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:54:26  

Additional Information
 Earth MOID = .896492 au 
 Jupiter MOID = 2.61531 au 
 T_jup = 3.638 
[ 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 13.7 mag n/a MPO319160  

6045 (1991 RG9)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 RG9 = 1971 OF1 = 1980 FO9 = 1990 DS9 = 1993 BY6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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