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JPL Small-Body Database Browser
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295381 (2008 HR68)
Classification: Main-belt Asteroid          SPK-ID: 2295381
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06295094236866215 1.0735e-07  
a 2.847093439270359 3.3296e-08 au
q 2.667866224256655 2.9751e-07 au
i 12.36723562861915 1.1126e-05 deg
node 227.8928543726118 3.1841e-05 deg
peri 131.4750301854249 6.5545e-05 deg
M 64.1764949635172 5.3734e-05 deg
tp 2458687.694413175265
(2019-Jul-23.19441318)
0.00026307 TDB
period 1754.692451199159
4.80
3.0781e-05
8.427e-08
d
yr
n .2051641583993682 3.599e-09 deg/d
Q 3.026320654284063 3.5392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7026 days (19.24 yr)  
   first obs. used      2000-11-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:34  

Additional Information
 Earth MOID = 1.68431 au 
 Jupiter MOID = 2.27362 au 
 T_jup = 3.270 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO494580  

295381 (2008 HR68)          Discovered 2008-Apr-24 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 HR68 = 2005 XM117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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