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JPL Small-Body Database Browser
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173659 (2001 HC38)
Classification: Main-belt Asteroid          SPK-ID: 2173659
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 .1419405120457632 5.9774e-08  
a 2.432963677543829 1.7852e-08 au
q 2.087627567364514 1.4503e-07 au
i 10.44128511796644 5.143e-06 deg
node 94.13842671066757 3.4377e-05 deg
peri 79.92590280590503 4.0863e-05 deg
M 310.0871770330064 2.2016e-05 deg
tp 2458792.681463972359
(2019-Nov-05.18146397)
8.5443e-05 TDB
period 1386.123302939608
3.79
1.5256e-05
4.177e-08
d
yr
n .2597171544815193 2.8585e-09 deg/d
Q 2.778299787723142 2.0386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      7013 days (19.20 yr)  
   first obs. used      1999-11-16  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:08:22  

Additional Information
 Earth MOID = 1.12352 au 
 Jupiter MOID = 2.2643 au 
 T_jup = 3.470 
[ 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 16.1   n/a MPO417936  

173659 (2001 HC38)          Discovered 2001-Apr-27 by Yeung, W. K. Y. at Desert Beaver
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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