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JPL Small-Body Database Browser
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379791 (2011 HH71)
Classification: Main-belt Asteroid          SPK-ID: 2379791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1126926983693946 7.1251e-08  
a 2.530226881334742 2.5689e-08 au
q 2.245088786590352 1.8326e-07 au
i 9.415617619466811 6.9434e-06 deg
node 87.72867074470291 4.748e-05 deg
peri 84.51127806713653 6.2209e-05 deg
M 126.4700890434813 3.9992e-05 deg
tp 2458484.056342069870
(2018-Dec-31.55634207)
0.00016216 TDB
period 1470.068679962155
4.02
2.2388e-05
6.13e-08
d
yr
n .2448865178253221 3.7295e-09 deg/d
Q 2.815364976079132 2.8584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      4411 days (12.08 yr)  
   first obs. used      2007-04-25  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Earth MOID = 1.27425 au 
 Jupiter MOID = 2.21215 au 
 T_jup = 3.424 
[ 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 17.0   n/a MPO434349  

379791 (2011 HH71)          Discovered 2007-Apr-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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