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180696 (2004 HO31)
Classification: Main-belt Asteroid          SPK-ID: 2180696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05851547877365993 5.5632e-08  
a 2.614265644951848 2.1748e-08 au
q 2.46129063909596 1.5222e-07 au
i 4.491235949284996 5.4555e-06 deg
node 47.84624555594681 7.0541e-05 deg
peri 332.7181171187585 8.3349e-05 deg
M 151.9628509301282 4.732e-05 deg
tp 2458548.784676785982
(2019-Mar-06.28467679)
0.00019981 TDB
period 1543.913627054302
4.23
1.9266e-05
5.275e-08
d
yr
n .2331736657359902 2.9097e-09 deg/d
Q 2.767240650807736 2.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      2001-08-10  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:50:15  

Additional Information
 Earth MOID = 1.46353 au 
 Jupiter MOID = 2.49166 au 
 T_jup = 3.401 
[ 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 16.29   n/a E2021B55  

180696 (2004 HO31)          Discovered 2004-Apr-19 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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