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79808 (1998 VG23)
Classification: Main-belt Asteroid          SPK-ID: 2079808
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752645413067016 4.6468e-08  
a 2.544940837586462 9.7656e-09 au
q 2.098902949034178 1.1952e-07 au
i 2.427436555525711 4.245e-06 deg
node 40.91952489185407 9.275e-05 deg
peri 290.2586775741925 9.3439e-05 deg
M 167.8299906779021 1.1142e-05 deg
tp 2458309.175365624107
(2018-Jul-09.67536562)
4.5256e-05 TDB
period 1482.910577364947
4.06
8.5354e-06
2.337e-08
d
yr
n .2427658184485411 1.3973e-09 deg/d
Q 2.990978726138746 1.1477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      7880 days (21.57 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:57  

Additional Information
 Earth MOID = 1.08978 au 
 Jupiter MOID = 2.36529 au 
 T_jup = 3.420 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456806.5 (2014-May-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768621227202995 4.6696e-08  
q 2.094234332120959 1.2026e-07 au
tp 2456823.969548509921
(2014-Jun-15.46954851)
4.4284e-05 TDB
node 40.95352728891718 9.2792e-05 deg
peri 289.7450479667468 9.3465e-05 deg
i 2.42847440559853 4.2439e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      7880 days (21.57 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:57  

Additional Information
 Jupiter MOID = 2.36529 au 
 T_jup = 3.420 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.180515876574212E-15 -5.603635816706797E-15 9.877619821027594E-13 -4.193619487380325E-14 2.232360973539455E-13 -8.919240703011482E-16
q -5.603635816706797E-15 1.446335895926234E-14 -2.537650750951516E-12 1.08358996838299E-13 -5.762920013064877E-13 2.285112090511617E-15
tp 9.877619821027594E-13 -2.537650750951516E-12 1.961059831454632E-9 -2.527863217489798E-11 5.127576602020068E-10 -1.328740736213143E-12
node -4.193619487380325E-14 1.08358996838299E-13 -2.527863217489798E-11 8.610429454076132E-9 -8.607513033735873E-9 -1.606096853891398E-10
peri 2.232360973539455E-13 -5.762920013064877E-13 5.127576602020068E-10 -8.607513033735873E-9 8.735646229288612E-9 1.60162198254708E-10
i -8.919240703011482E-16 2.285112090511617E-15 -1.328740736213143E-12 -1.606096853891398E-10 1.60162198254708E-10 1.801044521404307E-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 15.8   n/a MPO449501  
diameter diameter 1.607 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79808 (1998 VG23)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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