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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418372474570679 4.9138e-08  
a 2.432874829211236 1.4907e-08 au
q 2.08780256002833 1.1284e-07 au
i 10.44116144448023 5.0414e-06 deg
node 94.13876967743846 2.8827e-05 deg
peri 80.01809766663564 3.6449e-05 deg
M 53.90736193051555 2.2301e-05 deg
tp 2458792.949562539855
(2019-Nov-05.44956254)
8.5022e-05 TDB
period 1386.047374790122
3.79
1.2739e-05
3.488e-08
d
yr
n .2597313818761152 2.3872e-09 deg/d
Q 2.777947098394141 1.7022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      7518 days (20.58 yr)  
   first obs. used      1999-11-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:27:06  

Additional Information
 Earth MOID = 1.12323 au 
 Jupiter MOID = 2.26316 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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