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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866762599099406 6.0986e-08  
a 2.624132083572754 1.6875e-08 AU
q 2.134268920701713 1.5666e-07 AU
i 11.43324552028514 6.9039e-06 deg
node 247.81522853347 3.3298e-05 deg
peri 105.4089817547473 3.8434e-05 deg
M 31.37190849910834 1.9897e-05 deg
tp 2456865.194514971383
(2014-Jul-26.69451497)
8.5144e-05 JED
period 1552.662140771147
4.25
1.4977e-05
4.1e-08
d
yr
n .2318598428768295 2.2365e-09 deg/d
Q 3.113995246443795 2.0025e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1992-05-27  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50054  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:11:45  

Additional Information
 Earth MOID = 1.16415 AU 
 T_jup = 3.351 
[ 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 12.4 mag n/a MPO266000  
rotation period rot_per 34.0 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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