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JPL Small-Body Database Browser
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243339 (2008 UB4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2243339
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0983356618011645 8.5365e-08  
a 1.889575535636293 2.0897e-08 au
q 1.703762874816209 1.4781e-07 au
i 23.72855819720342 1.0526e-05 deg
node 70.57550694343593 1.6007e-05 deg
peri 290.7840271232341 8.2119e-05 deg
M 51.19997141202548 9.3422e-05 deg
tp 2458465.568909339111
(2018-Dec-13.06890934)
0.00024489 TDB
period 948.7347609438499
2.60
1.5738e-05
4.309e-08
d
yr
n .3794527351794864 6.2946e-09 deg/d
Q 2.075388196456379 2.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      4279 days (11.72 yr)  
   first obs. used      2005-07-03  
   last obs. used      2017-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59325  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 19:17:19  

Additional Information
 Earth MOID = .789986 au 
 Jupiter MOID = 3.24822 au 
 T_jup = 3.852 
[ 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 17.1   n/a MPO396765  

243339 (2008 UB4)          Discovered 2008-Oct-23 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 UB4 = 2007 DE104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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