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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280695698815027 5.3522e-08  
a 2.436054424176163 1.4273e-08 AU
q 2.124069981863991 1.3016e-07 AU
i 1.45229964817786 6.2168e-06 deg
node 238.8799303177055 0.00021267 deg
peri 191.7170552387701 0.00021453 deg
M 2.819151408871289 2.4671e-05 deg
tp 2456989.624610817443
(2014-Nov-28.12461082)
9.5172e-05 JED
period 1388.765460911566
3.80
1.2205e-05
3.342e-08
d
yr
n .2592230366700659 2.2782e-09 deg/d
Q 2.748038866488336 1.6101e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      11885 days (32.54 yr)  
   first obs. used      1982-07-11  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55005  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:18:02  

Additional Information
 Earth MOID = 1.13811 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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