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47270 (1999 VE138)
Classification: Main-belt Asteroid          SPK-ID: 2047270
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 .08446136879192438 5.185e-08  
a 3.018249398907911 2.8335e-08 au
q 2.763323923320746 1.7352e-07 au
i 1.92278680309616 4.616e-06 deg
node 61.3138949288976 0.00022363 deg
peri 1.253370046513759 0.00023002 deg
M 331.6574815790067 5.7142e-05 deg
tp 2459151.288092696696
(2020-Oct-28.78809270)
0.00030529 TDB
period 1915.27487305442
5.24
2.697e-05
7.384e-08
d
yr
n .1879625765809183 2.6468e-09 deg/d
Q 3.273174874495076 3.0728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      15295 days (41.88 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:06  

Additional Information
 Earth MOID = 1.77633 au 
 Jupiter MOID = 1.98148 au 
 T_jup = 3.241 
[ 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 15.3   n/a MPO459177  
rotation period rot_per 4.061 h n/a LCDB (Rev. 2019-August); 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.]

47270 (1999 VE138)          Discovered 1999-Nov-12 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VE138 = 1978 WD10 = 1999 XZ77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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