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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07187397254934709 5.7386e-08  
a 2.850274620557028 2.081e-08 AU
q 2.645414060721011 1.6257e-07 AU
i 1.355191033987725 8.0445e-06 deg
node 346.6679313334632 0.00021835 deg
peri 62.1435188890738 0.00022613 deg
M 164.7488362803247 5.671e-05 deg
tp 2455996.143935857122
(2012-Mar-09.64393586)
0.00027715 JED
period 1757.634163792985
4.81
1.9249e-05
5.27e-08
d
yr
n .2048207797822488 2.2431e-09 deg/d
Q 3.055135180393045 2.2306e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      19730 days (54.02 yr)  
   first obs. used      1960-01-22  
   last obs. used      2014-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54773  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:43:44  

Additional Information
 Earth MOID = 1.65444 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 12.1 mag n/a MPO279557  

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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