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JPL Small-Body Database Browser
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39471 (1978 UF8)
Classification: Main-belt Asteroid          SPK-ID: 2039471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124201822469765 3.8126e-08  
a 2.188847137823718 6.7324e-09 au
q 1.916988334198283 8.4197e-08 au
i 3.153069644594484 3.6961e-06 deg
node 20.8277503834914 7.4366e-05 deg
peri 67.36950243706021 7.6046e-05 deg
M 133.2832928258156 1.4372e-05 deg
tp 2458162.579990939358
(2018-Feb-13.07999094)
4.7051e-05 TDB
period 1182.827944293524
3.24
5.4571e-06
1.494e-08
d
yr
n .3043553390303268 1.4042e-09 deg/d
Q 2.460705941449152 7.5685e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      24342 days (66.64 yr)  
   first obs. used      1952-09-15  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:09:22  

Additional Information
 Earth MOID = .93594 au 
 Jupiter MOID = 2.70776 au 
 T_jup = 3.662 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO337578  

39471 (1978 UF8)          Discovered 1978-Oct-27 by Olmstead, C. M. at Palomar
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 UF8 = 1999 CU96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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