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41042 (1999 VB2)
Classification: Main-belt Asteroid          SPK-ID: 2041042
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .275145831950945 6.915e-08  
a 3.182337192277882 3.6836e-08 au
q 2.30673037796015 2.1816e-07 au
i 25.41106453395085 8.0225e-06 deg
node 87.84112201615429 1.902e-05 deg
peri 77.671468633193 2.3677e-05 deg
M 190.8790586162506 1.3614e-05 deg
tp 2458374.620325518079
(2018-Sep-13.12032552)
8.4163e-05 JED
period 2073.565309637079
5.68
3.6003e-05
9.857e-08
d
yr
n .1736140155927899 3.0144e-09 deg/d
Q 4.057944006595615 4.6972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      11070 days (30.31 yr)  
   first obs. used      1985-06-10  
   last obs. used      2015-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52364  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 17:25:22  

Additional Information
 Earth MOID = 1.45963 au 
 Jupiter MOID = 1.7778 au 
 T_jup = 2.993 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO263688  
rotation period rot_per 20.3845 h n/a LCDB (Rev. 2015-December); 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.]

41042 (1999 VB2)          Discovered 1999-Nov-03 by Sugie, A. at Dynic
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VB2 = 2000 WY8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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