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471165 (2010 HE79)
Classification: TransNeptunian Object          SPK-ID: 2471165
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790431856896365 6.7224e-06  
a 39.15574686316296 0.00062192 au
q 32.14517720672527 0.00031817 au
i 15.68720258644274 3.7867e-05 deg
node 238.6881082381562 1.4745e-05 deg
peri 283.8757946355421 0.0031826 deg
M 65.76350555882603 0.003538 deg
tp 2442652.141608122138
(1975-Aug-27.64160812)
0.49107 TDB
period 89493.54160890162
245.02
2.1322
0.005838
d
yr
n .004022636645370978 9.5839e-08 deg/d
Q 46.16631651960064 0.00073327 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1992-05-24  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .45377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:09:01  

Additional Information
 Earth MOID = 31.1892 au 
 Jupiter MOID = 26.9754 au 
 T_jup = 5.330 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.1   n/a MPO369102  
rotation period rot_per 19.49 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Benecchi, S.D.; Sheppard, S.S. (2013) Astron. J. 145, A124.]

471165 (2010 HE79)          Discovered 2010-Apr-21 by Sheppard, S. S., Poleski, R., Udalski, A., Trujillo, C. A. at Las Campanas
Reference: Last Updated: 2016-08-22

Alternate Designations
 2010 HE79 = 2002 JR146 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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