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266576 (2008 HO7)
Classification: Main-belt Asteroid          SPK-ID: 2266576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .07377671646489931 8.58e-08  
a 3.065647352178588 4.6266e-08 au
q 2.839473956695539 2.7964e-07 au
i 12.14375731380995 7.7923e-06 deg
node 144.1519346921786 4.0532e-05 deg
peri 205.1970830932846 6.6268e-05 deg
M 327.9657619910947 5.4163e-05 deg
tp 2459174.959095889779
(2020-Nov-21.45909589)
0.0002955 TDB
period 1960.567143905877
5.37
4.4383e-05
1.215e-07
d
yr
n .1836203371657048 4.1567e-09 deg/d
Q 3.291820747661637 4.968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:09  

Additional Information
 Earth MOID = 1.83621 au 
 Jupiter MOID = 2.09477 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457221.5 (2015-Jul-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07668103733486985 8.6034e-08  
q 2.829109152417067 2.814e-07 au
tp 2457222.856625847575
(2015-Jul-19.35662585)
0.00028285 TDB
node 144.3394984717501 4.0621e-05 deg
peri 206.4361738543078 6.4783e-05 deg
i 12.13091816182402 7.79e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:09  

Additional Information
 Jupiter MOID = 2.09477 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.401791811567482E-15 -2.397041876013725E-14 3.754981396110097E-12 1.508558363586152E-14 8.276943502313554E-13 5.204791457008388E-15
q -2.397041876013725E-14 7.918364533570571E-14 -1.189209362177075E-11 -4.609463158802039E-14 -2.637866540967006E-12 -1.274655917466928E-14
tp 3.754981396110097E-12 -1.189209362177075E-11 8.000651431927511E-8 2.413163692461131E-11 1.438635211859188E-8 6.681442573343302E-11
node 1.508558363586152E-14 -4.609463158802039E-14 2.413163692461131E-11 1.650090266295813E-9 -1.607081655986259E-9 6.973110700813016E-11
peri 8.276943502313554E-13 -2.637866540967006E-12 1.438635211859188E-8 -1.607081655986259E-9 4.196850885781668E-9 -5.616275962678901E-11
i 5.204791457008388E-15 -1.274655917466928E-14 6.681442573343302E-11 6.973110700813016E-11 -5.616275962678901E-11 6.068449498778251E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO437227  

266576 (2008 HO7)          Discovered 2008-Apr-24 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 HO7 = 2005 WU196 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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