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27105 Clarkben (1998 VB20)
Classification: Main-belt Asteroid          SPK-ID: 2027105
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436879601030341 4.2414e-08  
a 2.342603948716173 9.5174e-09 au
q 2.005999965995833 1.0051e-07 au
i 7.740210239313156 4.1634e-06 deg
node 60.91480077809325 3.4648e-05 deg
peri 245.0753723271698 3.7594e-05 deg
M 84.37787155310063 1.4181e-05 deg
tp 2458693.546352353422
(2019-Jul-29.04635235)
5.1753e-05 TDB
period 1309.624325890066
3.59
7.981e-06
2.185e-08
d
yr
n .2748879910697531 1.6752e-09 deg/d
Q 2.679207931436512 1.0885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      10168 days (27.84 yr)  
   first obs. used      1992-01-28  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:39  

Additional Information
 Earth MOID = 1.00541 au 
 Jupiter MOID = 2.55062 au 
 T_jup = 3.537 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456744.5 (2014-Mar-28.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1432805968987226 4.2269e-08  
q 2.007987221613683 1.0016e-07 au
tp 2457384.848166588328
(2015-Dec-28.34816659)
5.3591e-05 TDB
node 60.95849243438136 3.4632e-05 deg
peri 245.1962331433386 3.7618e-05 deg
i 7.741134976053277 4.1634e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      10168 days (27.84 yr)  
   first obs. used      1992-01-28  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:39  

Additional Information
 Jupiter MOID = 2.55062 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.78668274378269E-15 -4.219462168184989E-15 2.254320778908922E-13 9.089097742558199E-15 4.975983948178714E-14 -1.933800036457676E-15
q -4.219462168184989E-15 1.003215336714667E-14 -6.47709830484541E-13 -2.07228642837323E-14 -1.581130314810473E-13 4.665894943898592E-15
tp 2.254320778908922E-13 -6.47709830484541E-13 2.871986194972209E-9 7.490441760412287E-12 8.068350552108834E-10 -1.417077477659316E-12
node 9.089097742558199E-15 -2.07228642837323E-14 7.490441760412287E-12 1.199396352929887E-9 -1.186264933854098E-9 5.913343162794762E-12
peri 4.975983948178714E-14 -1.581130314810473E-13 8.068350552108834E-10 -1.186264933854098E-9 1.415084701431341E-9 -6.209735555295523E-12
i -1.933800036457676E-15 4.665894943898592E-15 -1.417077477659316E-12 5.913343162794762E-12 -6.209735555295523E-12 1.733416389313054E-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 15.0   n/a MPO324559  

27105 Clarkben           Discovered 1998 Nov. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Benjamin Mathias Clark (b. 1995) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his physics project. He attends the Penn Manor High School, Millersville, Pennsylvania, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1998 VB20 = 1997 GB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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