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215908 (2005 HH6)
Classification: Main-belt Asteroid          SPK-ID: 2215908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03962964547166248 5.0576e-08  
a 2.52099367060325 1.7632e-08 au
q 2.421087585200938 1.3312e-07 au
i 5.857766977172302 5.03e-06 deg
node 151.0039803363105 4.8484e-05 deg
peri 109.5595104665176 7.8615e-05 deg
M 254.8107312824636 6.5098e-05 deg
tp 2459427.693853044959
(2021-Aug-01.19385304)
0.00026615 TDB
period 1462.029244724149
4.00
1.5338e-05
4.199e-08
d
yr
n .2462331046380154 2.5832e-09 deg/d
Q 2.620899756005562 1.8331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      7806 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:28:39  

Additional Information
 Earth MOID = 1.41308 au 
 Jupiter MOID = 2.39407 au 
 T_jup = 3.448 
[ 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 16.8   n/a MPO454550  

215908 (2005 HH6)          Discovered 2005-Apr-30 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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