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JPL Small-Body Database Browser
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434250 (2003 US56)
Classification: Main-belt Asteroid          SPK-ID: 2434250
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 .2221074634491238 7.0012e-08  
a 2.655926044586283 2.177e-08 au
q 2.066025047714759 1.8504e-07 au
i 13.79153831760859 1.1821e-05 deg
node 45.51245654808638 1.9699e-05 deg
peri 301.7606923227206 3.2632e-05 deg
M 245.22866202347 2.6831e-05 deg
tp 2459104.526461142992
(2020-Sep-12.02646114)
0.00012106 TDB
period 1580.965502454823
4.33
1.9439e-05
5.322e-08
d
yr
n .2277089534471276 2.7998e-09 deg/d
Q 3.245827041457806 2.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:06  

Additional Information
 Earth MOID = 1.09713 au 
 Jupiter MOID = 2.31289 au 
 T_jup = 3.312 
[ 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 16.3   n/a MPO440801  

434250 (2003 US56)          Discovered 2003-Oct-23 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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