Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07142304622542989 4.4976e-08  
a 2.851486550542792 1.9335e-08 au
q 2.647824694832182 1.3121e-07 au
i 1.35504203595427 5.8738e-06 deg
node 346.6614299448876 0.00018843 deg
peri 62.00718917063482 0.00019348 deg
M 287.7229967844133 4.3823e-05 deg
tp 2457753.604339349604
(2016-Dec-31.10433935)
0.00021551 JED
period 1758.755295743148
4.82
1.7888e-05
4.897e-08
d
yr
n .2046902152171685 2.0819e-09 deg/d
Q 3.055148406253402 2.0716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1450  
   data-arc span      20372 days (55.78 yr)  
   first obs. used      1960-01-22  
   last obs. used      2015-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49335  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 15:45:11  

Additional Information
 Earth MOID = 1.65679 au 
 Jupiter MOID = 2.21906 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 12.2 mag n/a MPO347555  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-07 01:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin