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JPL Small-Body Database Browser
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305973 (2009 HH80)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305973
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05413810102619758 8.4251e-08  
a 3.220078751563483 6.4428e-08 au
q 3.045749802799027 2.7381e-07 au
i 32.27817948579477 9.601e-06 deg
node 195.4112640938346 1.2969e-05 deg
peri 211.3039355663494 6.5789e-05 deg
M 58.50741902000362 6.254e-05 deg
tp 2458257.490138651863
(2018-May-18.99013865)
0.0003684 TDB
period 2110.562252679622
5.78
6.3343e-05
1.734e-07
d
yr
n .1705706617006606 5.1192e-09 deg/d
Q 3.394407700327939 6.7916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      5780 days (15.82 yr)  
   first obs. used      2003-03-28  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57993  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:36:03  

Additional Information
 Earth MOID = 2.06533 au 
 Jupiter MOID = 1.88948 au 
 T_jup = 2.944 
[ 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 14.8   n/a MPO338964  

305973 (2009 HH80)          Discovered 2009-Mar-15 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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