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JPL Small-Body Database Browser
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172556 (2003 UZ112)
Classification: Main-belt Asteroid          SPK-ID: 2172556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238614957786875 3.1871e-08  
a 2.386709392100689 1.5053e-08 au
q 1.817204831255045 7.7002e-08 au
i 8.282342009898979 6.1192e-06 deg
node 72.40006530165346 3.4983e-05 deg
peri 235.555999855374 3.8504e-05 deg
M 238.2936863490827 1.8345e-05 deg
tp 2459455.811214859608
(2021-Aug-29.31121486)
7.1219e-05 TDB
period 1346.783354391931
3.69
1.2741e-05
3.488e-08
d
yr
n .2673035710057011 2.5288e-09 deg/d
Q 2.956213952946332 1.8644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:08  

Additional Information
 Earth MOID = .817376 au 
 Jupiter MOID = 2.33356 au 
 T_jup = 3.482 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO412968  
diameter diameter 1.539 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172556 (2003 UZ112)          Discovered 2003-Oct-20 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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