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JPL Small-Body Database Browser
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173654 (2001 HC2)
Classification: Main-belt Asteroid          SPK-ID: 2173654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920422978032538 3.7985e-08  
a 2.455315785126042 1.5454e-08 au
q 1.983791299917836 9.2876e-08 au
i 5.124933859198369 4.4974e-06 deg
node 37.55438752140596 6.5201e-05 deg
peri 202.1044525629131 6.7704e-05 deg
M 229.229055527264 2.1698e-05 deg
tp 2459110.967644925153
(2020-Sep-18.46764493)
8.7074e-05 TDB
period 1405.268983213379
3.85
1.3267e-05
3.632e-08
d
yr
n .2561787133284624 2.4186e-09 deg/d
Q 2.926840270334247 1.8421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1997-01-31  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:07:09  

Additional Information
 Earth MOID = .972715 au 
 Jupiter MOID = 2.08765 au 
 T_jup = 3.462 
[ 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 16.0   n/a MPO427059  

173654 (2001 HC2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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