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6787 (1991 PF15)
Classification: Main-belt Asteroid          SPK-ID: 2006787
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477181753457209 5.2135e-08  
a 2.232297777246288 1.0569e-08 AU
q 1.902546822763157 1.1951e-07 AU
i 3.289999950171751 5.6353e-06 deg
node 263.7829973727636 8.9005e-05 deg
peri 32.64239589391541 9.0896e-05 deg
M 18.45523872180133 1.8327e-05 deg
tp 2456938.048369202474
(2014-Oct-07.54836920)
6.1958e-05 JED
period 1218.222501806523
3.34
8.6517e-06
2.369e-08
d
yr
n .2955125188265278 2.0987e-09 deg/d
Q 2.562048731729418 1.213e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      15738 days (43.09 yr)  
   first obs. used      1971-07-28  
   last obs. used      2014-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50435  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:50:28  

Additional Information
 Earth MOID = .88878 AU 
 T_jup = 3.624 
[ 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 13.3 mag n/a MPO250275  

6787 (1991 PF15)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 PF15 = 1971 OG1 = 1974 LG = 1981 PR = 1981 RX2 = 1985 YH2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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