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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388669161954776 4.3909e-08  
a 2.216326166741061 8.693e-09 au
q 1.908551786682386 9.6975e-08 au
i 3.092438996751417 5.7551e-06 deg
node 202.627442372142 8.2453e-05 deg
peri 86.31784948797804 8.5929e-05 deg
M 194.4239533503032 2.5909e-05 deg
tp 2457954.798809717342
(2017-Jul-20.29880972)
8.7383e-05 JED
period 1205.171735501203
3.30
7.0905e-06
1.941e-08
d
yr
n .2987126144725626 1.7574e-09 deg/d
Q 2.524100546799736 9.9001e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1529  
   data-arc span      16213 days (44.39 yr)  
   first obs. used      1971-07-28  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51446  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:58:35  

Additional Information
 Earth MOID = .893647 au 
 Jupiter MOID = 2.61446 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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