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JPL Small-Body Database Browser
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172007 (2001 UG53)
Classification: Main-belt Asteroid          SPK-ID: 2172007
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731821588478836 4.5558e-08  
a 3.155561720342427 3.2816e-08 au
q 2.293518557201541 1.4191e-07 au
i 22.9462491028219 5.5342e-06 deg
node 72.00719893722808 1.2314e-05 deg
peri 247.4967740093086 1.6912e-05 deg
M 172.5090842786526 1.6645e-05 deg
tp 2458019.378225049468
(2017-Sep-22.87822505)
8.4058e-05 TDB
period 2047.450663013573
5.61
3.1939e-05
8.744e-08
d
yr
n .1758284126222256 2.7428e-09 deg/d
Q 4.017604883483312 4.1781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2001-10-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:41:27  

Additional Information
 Earth MOID = 1.3809 au 
 Jupiter MOID = 1.66753 au 
 T_jup = 3.029 
[ 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 14.4   n/a MPO469842  
diameter diameter 8.280 km 0.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172007 (2001 UG53)          Discovered 2001-Oct-17 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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