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JPL Small-Body Database Browser
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172546 (2003 UH56)
Classification: Main-belt Asteroid          SPK-ID: 2172546
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572562740984298 3.4624e-08  
a 2.290295512165706 1.1192e-08 au
q 1.930132173338172 7.8509e-08 au
i 6.988940719873881 4.1771e-06 deg
node 102.2741976362037 3.1814e-05 deg
peri 256.7756766654128 3.49e-05 deg
M 309.9069159988791 1.5716e-05 deg
tp 2459176.661491741503
(2020-Nov-23.16149174)
5.5868e-05 TDB
period 1266.005842753106
3.47
9.2798e-06
2.541e-08
d
yr
n .2843588772206057 2.0843e-09 deg/d
Q 2.65045885099324 1.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      6711 days (18.37 yr)  
   first obs. used      2000-12-20  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:29  

Additional Information
 Earth MOID = .940428 au 
 Jupiter MOID = 2.80866 au 
 T_jup = 3.573 
[ 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 16.5   n/a MPO436858  

172546 (2003 UH56)          Discovered 2003-Oct-19 by Tucker, R. A. at Goodricke-Pigott
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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