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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07168353131653911 5.233e-08  
a 2.850785620676443 2.0922e-08 AU
q 2.646431240359944 1.4813e-07 AU
i 1.355116437728015 6.8226e-06 deg
node 346.6621341911744 0.00020008 deg
peri 62.13503351158605 0.00020539 deg
M 205.7218945285443 4.5087e-05 deg
tp 2457753.937205919204
(2016-Dec-31.43720592)
0.00022222 JED
period 1758.106850625653
4.81
1.9354e-05
5.299e-08
d
yr
n .2047657114082046 2.2541e-09 deg/d
Q 3.055140000992942 2.2421e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      20147 days (55.16 yr)  
   first obs. used      1960-01-22  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49916  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:16:49  

Additional Information
 Earth MOID = 1.65632 AU 
 T_jup = 3.301 
[ 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 12.1 mag n/a MPO279557  

4076 Dorffel (1982 UF4)          Discovered 1982-Oct-19 by Borngen, F. at Tautenburg
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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