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295355 (2008 HR33)
Classification: Main-belt Asteroid          SPK-ID: 2295355
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02777215141897004 6.4474e-08  
a 3.187690687862339 5.6869e-08 au
q 3.099161659402185 2.2377e-07 au
i 13.21941983941808 8.3114e-06 deg
node 177.5025068783899 3.223e-05 deg
peri 99.14825493267556 0.0001687 deg
M 353.2378109250533 0.0001665 deg
tp 2459039.547883277966
(2020-Jul-09.04788328)
0.00096174 TDB
period 2078.799901077691
5.69
5.5629e-05
1.523e-07
d
yr
n .1731768410289845 4.6342e-09 deg/d
Q 3.276219716322492 5.8448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6259 days (17.14 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:39:07  

Additional Information
 Earth MOID = 2.11859 au 
 Jupiter MOID = 1.76618 au 
 T_jup = 3.156 
[ 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 15.9   n/a MPO433904  

295355 (2008 HR33)          Discovered 2008-Apr-26 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 HR33 = 2004 RV297 = 2006 WQ28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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