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4076 Dorffel (1982 UF4)
Classification: Main-belt Asteroid          SPK-ID: 2004076
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07217384195317056 5.7999e-08  
a 2.850083233381061 2.1397e-08 AU
q 2.644381776541635 1.6471e-07 AU
i 1.355255654742745 8.1122e-06 deg
node 346.6721470965007 0.00022244 deg
peri 62.21666749770007 0.00023045 deg
M 82.70453770573384 5.7511e-05 deg
tp 2455996.750888701773
(2012-Mar-10.25088870)		 0.00028103 JED
period 1757.4571371709
4.81		 1.9791e-05
5.418e-08		 d
yr
n .2048414111421897 2.3068e-09 deg/d
Q 3.055784690220487 2.2942e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      19434 days (53.21 yr)  
   first obs. used      1960-01-22  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54124  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:01:27  

Additional Information
 Earth MOID = 1.6539 AU 
 T_jup = 3.302 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9 mag n/a PDS3 (MPC 17271)  

4076 Dorffel (1982 UF4)          Discovered 1982-Oct-19 by Borngen, F. at Tautenburg (033)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 UF4 = 1960 BF = 1968 UY = 1973 YB1 = 1977 RL8 = 1984 AF = 1987 US1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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