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268721 (2006 HR75)
Classification: Main-belt Asteroid          SPK-ID: 2268721
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774021013105684 5.556e-08  
a 3.136972622024269 3.3792e-08 au
q 2.58046708712344 1.7037e-07 au
i 10.82827372025001 6.3869e-06 deg
node 116.9643111202792 3.474e-05 deg
peri 114.9037197878175 3.9546e-05 deg
M 193.8415221187511 2.0554e-05 deg
tp 2459937.165499106268
(2022-Dec-23.66549911)
0.00012473 TDB
period 2029.385343306094
5.56
3.2791e-05
8.978e-08
d
yr
n .1773936138779439 2.8663e-09 deg/d
Q 3.693478156925098 3.9786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2001-07-14  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:18:37  

Additional Information
 Earth MOID = 1.59231 au 
 Jupiter MOID = 1.47076 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789815708785625 5.5258e-08  
q 2.573398876547127 1.6967e-07 au
tp 2457909.332978621486
(2017-Jun-04.83297862)
0.00010664 TDB
node 117.0565999442146 3.4714e-05 deg
peri 115.1181906513487 3.9472e-05 deg
i 10.83598228966311 6.3924e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2001-07-14  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:18:37  

Additional Information
 Jupiter MOID = 1.47076 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.053397709558865E-15 -9.256650641274067E-15 2.733253405629268E-13 -1.351881388001033E-14 5.240204056267921E-14 -6.962205571668643E-15
q -9.256650641274067E-15 2.878772707721825E-14 3.562346988874052E-13 4.324229758252105E-14 3.962362544147085E-15 2.254059054441429E-14
tp 2.733253405629268E-13 3.562346988874052E-13 1.137174726977189E-8 -1.360560388708757E-12 2.05582264613884E-9 3.479177340177997E-12
node -1.351881388001033E-14 4.324229758252105E-14 -1.360560388708757E-12 1.205032280591134E-9 -1.183053145557052E-9 2.138149625325142E-11
peri 5.240204056267921E-14 3.962362544147085E-15 2.05582264613884E-9 -1.183053145557052E-9 1.558014474832179E-9 -2.042768146114217E-11
i -6.962205571668643E-15 2.254059054441429E-14 3.479177340177997E-12 2.138149625325142E-11 -2.042768146114217E-11 4.086288149026298E-11

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 15.8   n/a MPO454997  

268721 (2006 HR75)          Discovered 2006-Apr-25 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2006 HR75 = 2005 AD72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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