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JPL Small-Body Database Browser
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357895 (2005 UH521)
Classification: Main-belt Asteroid          SPK-ID: 2357895
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04592776841404993 5.9054e-08  
a 3.010905705165446 5.8776e-08 au
q 2.872621525222065 1.892e-07 au
i 3.147376236075978 6.3565e-06 deg
node 112.1532978721698 0.00013714 deg
peri 209.6046129255587 0.00016193 deg
M 262.9418925996292 8.8812e-05 deg
tp 2459114.985899377753
(2020-Sep-22.48589938)
0.00047662 TDB
period 1908.289052165091
5.22
5.5878e-05
1.53e-07
d
yr
n .1886506656795804 5.524e-09 deg/d
Q 3.149189885108826 6.1475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      4976 days (13.62 yr)  
   first obs. used      2005-10-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:15  

Additional Information
 Earth MOID = 1.85931 au 
 Jupiter MOID = 2.00417 au 
 T_jup = 3.246 
[ 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 16.4   n/a MPO437512  

357895 (2005 UH521)          Discovered 2005-Oct-26 by Becker, A. C. at Apache Point
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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