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47248 (1999 VK57)
Classification: Main-belt Asteroid          SPK-ID: 2047248
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061455607286699 8.2776e-08  
a 2.306354975373918 1.0953e-08 au
q 2.061545633273496 1.9014e-07 au
i 4.923913515141458 6.0788e-06 deg
node 44.64984807840279 7.3701e-05 deg
peri 150.9042957942666 7.6586e-05 deg
M 160.4039889109173 2.1197e-05 deg
tp 2458430.466581784788
(2018-Nov-07.96658178)
7.4781e-05 TDB
period 1279.344933693911
3.50
9.1137e-06
2.495e-08
d
yr
n .2813940091672974 2.0046e-09 deg/d
Q 2.55116431747434 1.2116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      8716 days (23.86 yr)  
   first obs. used      1994-03-13  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57429  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 19:16:27  

Additional Information
 Earth MOID = 1.06119 au 
 Jupiter MOID = 2.40477 au 
 T_jup = 3.575 
[ show covariance matrix ]

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 15.8   n/a MPO432030  

47248 (1999 VK57)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VK57 = 2001 EF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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