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172095 (2002 EP79)
Classification: Main-belt Asteroid          SPK-ID: 2172095
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07727111222991906 5.6822e-08  
a 2.228857329395646 1.3073e-08 au
q 2.056631044551437 1.2931e-07 au
i 4.540189619089946 5.9707e-06 deg
node 294.8951984144493 6.3003e-05 deg
peri 263.5597672633986 7.3267e-05 deg
M 157.6792399027302 3.8145e-05 deg
tp 2458468.154179536741
(2018-Dec-15.65417954)
0.00012781 TDB
period 1215.407275459952
3.33
1.0693e-05
2.928e-08
d
yr
n .2961970092401855 2.6058e-09 deg/d
Q 2.401083614239854 1.4083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-03-10  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5105  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:09:38  

Additional Information
 Earth MOID = 1.06022 au 
 Jupiter MOID = 2.57766 au 
 T_jup = 3.636 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456217.5 (2012-Oct-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07703648185070337 5.6656e-08  
q 2.057722800365 1.2893e-07 au
tp 2456037.817577511474
(2012-Apr-20.31757751)
0.00012643 TDB
node 294.943574905575 6.3009e-05 deg
peri 263.999818482316 7.3385e-05 deg
i 4.539530740127666 5.9681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-03-10  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5105  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:09:38  

Additional Information
 Jupiter MOID = 2.57766 au 
 T_jup = 3.636 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.209957350926272E-15 -7.273847124531209E-15 -2.718856861186223E-12 1.572556781333426E-14 -6.941401333666361E-13 -2.25851622523082E-15
q -7.273847124531209E-15 1.662381006229524E-14 6.08660501362329E-12 -3.611227094941944E-14 1.558243763420694E-12 5.414755257562543E-15
tp -2.718856861186223E-12 6.08660501362329E-12 1.598521960668892E-8 -3.013428474986508E-11 4.769402760350003E-9 3.515637132405827E-12
node 1.572556781333426E-14 -3.611227094941944E-14 -3.013428474986508E-11 3.970111503890322E-9 -3.965455610114539E-9 1.428431577376222E-10
peri -6.941401333666361E-13 1.558243763420694E-12 4.769402760350003E-9 -3.965455610114539E-9 5.385317378793252E-9 -1.413747110620341E-10
i -2.25851622523082E-15 5.414755257562543E-15 3.515637132405827E-12 1.428431577376222E-10 -1.413747110620341E-10 3.561793257866206E-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 16.8   n/a MPO436855  

172095 (2002 EP79)          Discovered 2002-Mar-10 by NEAT at Haleakala
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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