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226029 (2002 EQ141)
Classification: Main-belt Asteroid          SPK-ID: 2226029
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01789868853347951 5.5118e-08  
a 2.756240295857258 2.2971e-08 au
q 2.706907209278283 1.5714e-07 au
i 3.446372830259542 5.8754e-06 deg
node 21.63578212725641 8.3573e-05 deg
peri 191.0875205357457 0.00016908 deg
M 308.3500961070445 0.00014722 deg
tp 2459240.295517452944
(2021-Jan-25.79551745)
0.0006837 TDB
period 1671.375545286033
4.58
2.0895e-05
5.721e-08
d
yr
n .2153914486874886 2.6927e-09 deg/d
Q 2.805573382436232 2.3383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      8846 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:48:30  

Additional Information
 Earth MOID = 1.69956 au 
 Jupiter MOID = 2.15253 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457435.5 (2016-Feb-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0192156640888599 5.5239e-08  
q 2.704595522237581 1.5794e-07 au
tp 2457560.707709924038
(2016-Jun-21.20770992)
0.00063225 TDB
node 21.65443023368409 8.3549e-05 deg
peri 189.3332978362168 0.00015972 deg
i 3.447058665434246 5.875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      8846 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:48:30  

Additional Information
 Jupiter MOID = 2.15253 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.051390866219931E-15 -8.637583600181734E-15 -6.835119182586907E-12 -1.827819077835504E-14 -1.369193528199094E-12 -1.237651247933886E-15
q -8.637583600181734E-15 2.494417442754296E-14 1.958573721483583E-11 5.145404415768685E-14 3.916535295580891E-12 3.760169744193321E-15
tp -6.835119182586907E-12 1.958573721483583E-11 3.997430242919192E-7 7.432002909829609E-11 8.608349146034764E-8 1.934584723837454E-11
node -1.827819077835504E-14 5.145404415768685E-14 7.432002909829609E-11 6.980389763399092E-9 -6.951831410326044E-9 -7.623497042213544E-11
peri -1.369193528199094E-12 3.916535295580891E-12 8.608349146034764E-8 -6.951831410326044E-9 2.551046295863624E-8 8.025944949446569E-11
i -1.237651247933886E-15 3.760169744193321E-15 1.934584723837454E-11 -7.623497042213544E-11 8.025944949446569E-11 3.451616260380461E-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 16.2   n/a MPO418207  

226029 (2002 EQ141)          Discovered 2002-Mar-12 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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