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47017 (1998 VE4)
Classification: Main-belt Asteroid          SPK-ID: 2047017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264579813025821 3.5683e-08  
a 2.558064250589866 9.0744e-09 au
q 2.234576609417969 9.2374e-08 au
i 3.988097674333471 3.8355e-06 deg
node 213.1017102221086 5.0711e-05 deg
peri 191.7116779649189 5.4232e-05 deg
M 110.1381258941383 1.8806e-05 deg
tp 2458543.305727666934
(2019-Feb-28.80572767)
7.7059e-05 TDB
period 1494.395666384437
4.09
7.9518e-06
2.177e-08
d
yr
n .2409000561885926 1.2818e-09 deg/d
Q 2.881551891761763 1.0222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2007  
   data-arc span      11255 days (30.81 yr)  
   first obs. used      1989-08-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:44:20  

Additional Information
 Earth MOID = 1.24379 au 
 Jupiter MOID = 2.49034 au 
 T_jup = 3.422 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244737002685952 3.5589e-08  
q 2.239888981544136 9.196e-08 au
tp 2457046.661495769313
(2015-Jan-24.16149577)
7.6102e-05 TDB
node 213.1839664224405 5.0838e-05 deg
peri 191.3368858434004 5.4486e-05 deg
i 3.981285004683909 3.8327e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2007  
   data-arc span      11255 days (30.81 yr)  
   first obs. used      1989-08-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:44:20  

Additional Information
 Jupiter MOID = 2.49034 au 
 T_jup = 3.422 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.266573255689328E-15 -3.260645515543112E-15 -1.586316084838086E-12 -8.216168684633572E-15 -4.240526843123953E-13 8.62144771082507E-16
q -3.260645515543112E-15 8.456618286399786E-15 4.238904889925896E-12 2.276384844423787E-14 1.129160096348651E-12 -2.355268182651008E-15
tp -1.586316084838086E-12 4.238904889925896E-12 5.791544112229562E-9 1.685221006952949E-11 1.505720721300405E-9 -2.878963869025631E-12
node -8.216168684633572E-15 2.276384844423787E-14 1.685221006952949E-11 2.584509461173618E-9 -2.573440332371572E-9 -8.34060618874077E-11
peri -4.240526843123953E-13 1.129160096348651E-12 1.505720721300405E-9 -2.573440332371572E-9 2.968776985089747E-9 8.245311911768639E-11
i 8.62144771082507E-16 -2.355268182651008E-15 -2.878963869025631E-12 -8.34060618874077E-11 8.245311911768639E-11 1.468955815437385E-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 14.2   n/a MPO502469  
diameter diameter 4.189 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.258 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.277   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47017 (1998 VE4)          Discovered 1998-Nov-11 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VE4 = 1989 PD1 = 2000 EE46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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