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JPL Small-Body Database Browser
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379780 (2011 HR56)
Classification: Main-belt Asteroid          SPK-ID: 2379780
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172681263255904 5.3066e-08  
a 3.159036339395373 5.9367e-08 au
q 2.788582066880026 1.6212e-07 au
i 13.95371884176028 7.1825e-06 deg
node 189.2737353057719 2.2698e-05 deg
peri 89.93323622665605 3.7745e-05 deg
M 87.73722106373063 3.079e-05 deg
tp 2458100.682182896253
(2017-Dec-13.18218290)
0.00017543 TDB
period 2050.833294875478
5.61
5.7811e-05
1.583e-07
d
yr
n .1755384023165366 4.9483e-09 deg/d
Q 3.52949061191072 6.6329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      4877 days (13.35 yr)  
   first obs. used      2006-06-21  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:15  

Additional Information
 Earth MOID = 1.81817 au 
 Jupiter MOID = 1.71615 au 
 T_jup = 3.149 
[ 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 15.6   n/a MPO460489  

379780 (2011 HR56)          Discovered 2011-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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