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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138802600861115 8.6961e-08  
a 2.762499142682113 2.9973e-08 au
q 2.379057076801235 2.3525e-07 au
i 9.419197180767092 6.4178e-06 deg
node 98.12251879859043 5.2462e-05 deg
peri 82.59560973907021 6.1665e-05 deg
M 251.945368217093 3.166e-05 deg
tp 2459103.876042107969
(2020-Sep-11.37604211)
0.00015153 TDB
period 1677.0717938584
4.59
2.7294e-05
7.473e-08
d
yr
n .2146598620991391 3.4936e-09 deg/d
Q 3.145941208562991 3.4133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      8049 days (22.04 yr)  
   first obs. used      1997-01-11  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:15:44  

Additional Information
 Earth MOID = 1.40535 au 
 Jupiter MOID = 1.89747 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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