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JPL Small-Body Database Browser
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172017 (2001 UA125)
Classification: Main-belt Asteroid          SPK-ID: 2172017
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487987666044688 5.7291e-08  
a 3.162967367493631 2.8317e-08 au
q 2.376024987651032 1.8936e-07 au
i 16.70392118254698 7.1213e-06 deg
node 88.67391860786711 2.4061e-05 deg
peri 7.500593726307508 2.8457e-05 deg
M 70.01214541737535 1.5038e-05 deg
tp 2458600.912973698081
(2019-Apr-27.41297370)
8.3815e-05 TDB
period 2054.662496215838
5.63
2.7592e-05
7.554e-08
d
yr
n .1752112576459773 2.3529e-09 deg/d
Q 3.94990974733623 3.5362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      6660 days (18.23 yr)  
   first obs. used      2001-10-12  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:44:00  

Additional Information
 Earth MOID = 1.3937 au 
 Jupiter MOID = 1.28635 au 
 T_jup = 3.092 
[ 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 14.8   n/a MPO469842  
diameter diameter 7.195 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172017 (2001 UA125)          Discovered 2001-Oct-22 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2001 UA125 = 2003 EF58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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