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78226 (2002 ON11)
Classification: Main-belt Asteroid          SPK-ID: 2078226
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702871764066499 3.406e-08  
a 2.252457820515899 7.9305e-09 au
q 1.86889313828517 7.6515e-08 au
i 4.308136599952014 4.2578e-06 deg
node 41.24783178641291 5.5486e-05 deg
peri 201.88060230281 5.7317e-05 deg
M 148.0836265219357 1.6024e-05 deg
tp 2458492.588590874495
(2019-Jan-09.08859087)
5.4003e-05 TDB
period 1234.762489140528
3.38
6.5211e-06
1.785e-08
d
yr
n .2915540463580024 1.5398e-09 deg/d
Q 2.636022502746628 9.281e-09 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1991-02-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:20:24  

Additional Information
 Earth MOID = .856911 au 
 Jupiter MOID = 2.3802 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456863.5 (2014-Jul-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702611604496186 3.4117e-08  
q 1.869773471569953 7.6731e-08 au
tp 2457257.329411330243
(2015-Aug-22.82941133)
5.2202e-05 TDB
node 41.29935073534038 5.5465e-05 deg
peri 201.7566202521182 5.729e-05 deg
i 4.30882174212384 4.2574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1991-02-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:20:24  

Additional Information
 Jupiter MOID = 2.3802 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.163987119445446E-15 -2.60810217887004E-15 -5.185231040878346E-13 -4.271099630002005E-15 -1.280794085311535E-13 -4.885247512734943E-17
q -2.60810217887004E-15 5.88766450849659E-15 1.249650026199956E-12 1.094436512602283E-14 3.056899506404398E-13 6.502874364849057E-17
tp -5.185231040878346E-13 1.249650026199956E-12 2.725056144615542E-9 3.107421921022753E-12 7.638079232855634E-10 8.077234317761556E-13
node -4.271099630002005E-15 1.094436512602283E-14 3.107421921022753E-12 3.076365231985505E-9 -3.066620795968882E-9 -6.559398800194714E-11
peri -1.280794085311535E-13 3.056899506404398E-13 7.638079232855634E-10 -3.066620795968882E-9 3.282152616312727E-9 6.565962131781196E-11
i -4.885247512734943E-17 6.502874364849057E-17 8.077234317761556E-13 -6.559398800194714E-11 6.565962131781196E-11 1.812568082882648E-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 16.0   n/a MPO493421  

78226 (2002 ON11)          Discovered 2002-Jul-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 ON11 = 1998 FX83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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