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487536 (2014 US172)
Classification: Main-belt Asteroid          SPK-ID: 2487536
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05216637470140415 8.5615e-08  
a 3.172445620383634 7.4694e-08 au
q 3.006950633430872 2.452e-07 au
i 10.66596872351142 7.2011e-06 deg
node 103.2278337856507 4.3468e-05 deg
peri 103.0761547393754 7.8605e-05 deg
M 197.8936469787751 6.6749e-05 deg
tp 2459929.866986614058
(2022-Dec-16.36698661)
0.00038462 TDB
period 2063.905016339827
5.65
7.2891e-05
1.996e-07
d
yr
n .1744266316278603 6.1602e-09 deg/d
Q 3.337940607336395 7.859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-05-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:46:41  

Additional Information
 Earth MOID = 2.02418 au 
 Jupiter MOID = 1.74769 au 
 T_jup = 3.173 
[ 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 15.5   n/a MPO495390  

487536 (2014 US172)          Discovered 2003-Nov-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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