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201712 (2003 UQ172)
Classification: Main-belt Asteroid          SPK-ID: 2201712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07095833670341116 6.1585e-08  
a 2.845666505966301 2.6639e-08 au
q 2.643742743890325 1.8078e-07 au
i 7.558053980887951 7.7958e-06 deg
node 154.3681909983662 3.9677e-05 deg
peri 246.5046709509423 6.6173e-05 deg
M 160.5378464074559 5.6243e-05 deg
tp 2458218.603332664353
(2018-Apr-10.10333266)
0.00026812 TDB
period 1753.37346638132
4.80
2.462e-05
6.741e-08
d
yr
n .2053184942640782 2.883e-09 deg/d
Q 3.047590268042278 2.8529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      2003-09-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:07:16  

Additional Information
 Earth MOID = 1.66183 au 
 Jupiter MOID = 2.24996 au 
 T_jup = 3.291 
[ 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 15.7   n/a MPO338512  
diameter diameter 3.460 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201712 (2003 UQ172)          Discovered 2003-Oct-20 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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