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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390735567941435 4.4286e-08  
a 2.216203176922488 9.1147e-09 AU
q 1.907987918529398 9.8076e-08 AU
i 3.092362371470886 6.1208e-06 deg
node 202.6334975651461 8.5033e-05 deg
peri 86.37890359511006 8.8694e-05 deg
M 74.83687631217032 2.6925e-05 deg
tp 2456749.989497838837
(2014-Apr-02.48949784)
8.9906e-05 JED
period 1205.07141962782
3.30
7.4343e-06
2.035e-08
d
yr
n .298737480730548 1.843e-09 deg/d
Q 2.524418435315579 1.0382e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      15849 days (43.39 yr)  
   first obs. used      1971-07-28  
   last obs. used      2014-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51776  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:14:57  

Additional Information
 Earth MOID = .896073 AU 
 T_jup = 3.639 
[ 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 (675)
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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