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JPL Small-Body Database Browser
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376356 (2011 HE84)
Classification: Main-belt Asteroid          SPK-ID: 2376356
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02917072771733248 9.242e-08  
a 3.10586888465141 5.6582e-08 au
q 3.015268429091509 3.1547e-07 au
i 10.3074494119054 1.0677e-05 deg
node 190.1568679887264 2.9669e-05 deg
peri 329.8253083431464 0.00012721 deg
M 299.430194003381 0.00012324 deg
tp 2459336.877381532570
(2021-May-02.37738153)
0.00068526 TDB
period 1999.277616284338
5.47
5.4633e-05
1.496e-07
d
yr
n .1800650380256149 4.9205e-09 deg/d
Q 3.196469340211312 5.8232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5369 days (14.70 yr)  
   first obs. used      2005-03-13  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:07:47  

Additional Information
 Earth MOID = 2.02472 au 
 Jupiter MOID = 1.77375 au 
 T_jup = 3.195 
[ 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 15.7   n/a MPO494942  

376356 (2011 HE84)          Discovered 2005-Mar-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2011 HE84 = 2005 EM285 = 2008 VT45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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