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6791 (1991 UC2)
Classification: Main-belt Asteroid          SPK-ID: 2006791
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280695378263234 5.5637e-08  
a 2.43605444282601 1.6859e-08 AU
q 2.124070076213522 1.3766e-07 AU
i 1.452300285616361 6.6617e-06 deg
node 238.8798650258636 0.00024999 deg
peri 191.7171469131821 0.00025183 deg
M 2.819116940580172 2.9678e-05 deg
tp 2456989.624743660256
(2014-Nov-28.12474366)
0.00011445 JED
period 1388.765476859648
3.80
1.4417e-05
3.947e-08
d
yr
n .2592230336932421 2.691e-09 deg/d
Q 2.7480388094385 1.9018e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      11803 days (32.31 yr)  
   first obs. used      1982-07-11  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55422  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:02:40  

Additional Information
 Earth MOID = 1.13812 AU 
 T_jup = 3.493 
[ 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 15.0 mag n/a MPO265994  

6791 (1991 UC2)          Discovered 1991-Oct-29 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 UC2 = 1983 QG1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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