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8041 Masumoto (1993 VR2)
Classification: Main-belt Asteroid          SPK-ID: 2008041
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858911163123877 5.8288e-08  
a 2.626549306889591 1.4294e-08 au
q 2.138297124182357 1.4823e-07 au
i 11.42897916707756 5.0877e-06 deg
node 247.729698259209 2.8632e-05 deg
peri 105.7571501294241 3.1823e-05 deg
M 170.157992557203 1.5824e-05 deg
tp 2456865.602759821823
(2014-Jul-27.10275982)
6.5157e-05 JED
period 1554.807990433973
4.26
1.2692e-05
3.475e-08
d
yr
n .2315398442861861 1.8901e-09 deg/d
Q 3.114801489596826 1.6952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      14359 days (39.31 yr)  
   first obs. used      1976-12-20  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46687  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:58  

Additional Information
 Earth MOID = 1.16689 au 
 Jupiter MOID = 2.47492 au 
 T_jup = 3.350 
[ 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 12.5 mag n/a MPO332894  
rotation period rot_per 34.0 h n/a LCDB (Rev. 2016-February); 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:
[Warner, B.D. (2010) Minor Planet Bul. 37, 150-151.]

8041 Masumoto           Discovered 1993 Nov. 15 by F. Uto at Kashihara.
Named in honor of Takeji Masumoto, who built the discoverer's observatory. Initially, he had to make a great effort to secure the land for the observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19981208/MPCPages.arcLast Updated: 2009-11-17

[ show close-approach data ]
Alternate Designations
 1993 VR2 = 1959 XH = 1976 YL4 = 1992 KS 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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