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JPL Small-Body Database Browser
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173903 (2001 UH179)
Classification: Main-belt Asteroid          SPK-ID: 2173903
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 .07838597455099378 6.7509e-08  
a 3.124876606398478 3.4559e-08 au
q 2.879930108254331 2.2495e-07 au
i 10.54446561960416 7.501e-06 deg
node 324.2020496017746 2.7128e-05 deg
peri 35.38224700475713 4.5485e-05 deg
M 81.12943800207837 3.592e-05 deg
tp 2458145.801310125866
(2018-Jan-27.30131013)
0.00019968 TDB
period 2017.658847217638
5.52
3.3471e-05
9.164e-08
d
yr
n .1784246135051234 2.9599e-09 deg/d
Q 3.369823104542625 3.7268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6363 days (17.42 yr)  
   first obs. used      2001-08-22  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:16:46  

Additional Information
 Earth MOID = 1.88102 au 
 Jupiter MOID = 2.04154 au 
 T_jup = 3.184 
[ 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 14.8   n/a MPO427061  
diameter diameter 5.059 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173903 (2001 UH179)          Discovered 2001-Oct-26 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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