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266445 (2007 HR82)
Classification: Main-belt Asteroid          SPK-ID: 2266445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385401017743376 7.0585e-08  
a 2.762126305468652 2.4682e-08 au
q 2.37946104599545 1.9892e-07 au
i 9.419394785029388 6.1231e-06 deg
node 98.12200964115553 4.0888e-05 deg
peri 82.60707151158033 5.0949e-05 deg
M 337.7795008873287 2.7387e-05 deg
tp 2459103.993967641375
(2020-Sep-11.49396764)
0.00012796 TDB
period 1676.73228949427
4.59
2.2475e-05
6.153e-08
d
yr
n .2147033263781077 2.8779e-09 deg/d
Q 3.144791564941854 2.8102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:23  

Additional Information
 Earth MOID = 1.40532 au 
 Jupiter MOID = 1.8972 au 
 T_jup = 3.307 
[ 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 16.1   n/a MPO418414  

266445 (2007 HR82)          Discovered 2007-Apr-21 by LUSS at Lulin
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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