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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04535984425268583 5.9107e-08  
a 3.01384260462193 6.1108e-08 au
q 2.87713517347417 1.9041e-07 au
i 3.149313424873516 6.359e-06 deg
node 112.1300410646536 0.00013689 deg
peri 207.5378638912726 0.00016203 deg
M 340.2892745771871 9.0203e-05 deg
tp 2459105.135580026645
(2020-Sep-12.63558003)
0.00048016 TDB
period 1911.081809601741
5.23
5.8123e-05
1.591e-07
d
yr
n .1883749812233428 5.7292e-09 deg/d
Q 3.15055003576969 6.388e-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 = 1.86427 au 
 Jupiter MOID = 1.99597 au 
 T_jup = 3.245 
[ 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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