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382125 (2011 HE91)
Classification: Main-belt Asteroid          SPK-ID: 2382125
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06427115977408332 4.8513e-08  
a 2.738683938506173 3.0843e-08 au
q 2.562665545523727 1.4069e-07 au
i 4.336364938271411 4.5481e-06 deg
node 107.9695452114971 9.839e-05 deg
peri 317.963612026799 0.00011356 deg
M 161.4908826525944 5.6269e-05 deg
tp 2458257.896816726525
(2018-May-19.39681673)
0.00025663 TDB
period 1655.431821210348
4.53
2.7965e-05
7.656e-08
d
yr
n .2174659175856548 3.6736e-09 deg/d
Q 2.914702331488618 3.2825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7025 days (19.23 yr)  
   first obs. used      2001-02-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:41:12  

Additional Information
 Earth MOID = 1.5785 au 
 Jupiter MOID = 2.27047 au 
 T_jup = 3.344 
[ 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 16.7   n/a MPO471924  

382125 (2011 HE91)          Discovered 2008-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19

Alternate Designations
 2011 HE91 = 2010 DQ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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