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78502 (2002 RV80)
Classification: Main-belt Asteroid          SPK-ID: 2078502
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368757468229594 3.8458e-08  
a 2.774669408785004 1.6469e-08 au
q 2.394884461270738 1.0978e-07 au
i 8.843076411216268 4.4922e-06 deg
node 354.3991887791061 2.89e-05 deg
peri 298.5532098237683 3.4545e-05 deg
M 348.9391983556533 1.6787e-05 deg
tp 2459052.367987706011
(2020-Jul-21.86798771)		 7.8649e-05 TDB
period 1688.16657007022
4.62		 1.503e-05
4.115e-08		 d
yr
n .2132490989825878 1.8985e-09 deg/d
Q 3.154454356299271 1.8723e-08 au
   Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1991-02-14  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:37  

Additional Information
 Earth MOID = 1.3945 au 
 Jupiter MOID = 2.11837 au 
 T_jup = 3.305 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457281.5 (2015-Sep-16.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354784653372829 3.8498e-08  
q 2.397757575257868 1.0962e-07 au
tp 2457366.725356404254
(2015-Dec-10.22535640)		 8.3322e-05 TDB
node 354.4504197555707 2.8896e-05 deg
peri 298.8332810380274 3.4659e-05 deg
i 8.843849222213677 4.4926e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1991-02-14  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:37  

Additional Information
 Jupiter MOID = 2.11837 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.482070942074342E-15 -4.184887175942332E-15 9.31001312763653E-14 -7.331718870971672E-15 4.669536846692158E-14 -3.433677541034352E-15
q -4.184887175942332E-15 1.201733594607683E-14 -6.531976062286057E-13 2.430969654803158E-14 -2.252265661289902E-13 1.040008536333624E-14
tp 9.31001312763653E-14 -6.531976062286057E-13 6.942515161333772E-9 -1.86638898129098E-11 1.616792128638053E-9 1.956406682895164E-12
node -7.331718870971672E-15 2.430969654803158E-14 -1.86638898129098E-11 8.350066561933766E-10 -8.288446202535031E-10 6.742218459226639E-12
peri 4.669536846692158E-14 -2.252265661289902E-13 1.616792128638053E-9 -8.288446202535031E-10 1.201216472311981E-9 -6.202560861618384E-12
i -3.433677541034352E-15 1.040008536333624E-14 1.956406682895164E-12 6.742218459226639E-12 -6.202560861618384E-12 2.018340904860919E-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 14.7   n/a MPO337847  
diameter diameter 3.272 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78502 (2002 RV80)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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