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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868165882428346 6.8636e-08  
a 2.624583698909817 2.4071e-08 AU
q 2.134267926721726 1.7594e-07 AU
i 11.43290222357892 8.0266e-06 deg
node 247.818347776885 3.6059e-05 deg
peri 105.4095921039101 4.3557e-05 deg
M 345.0008288606192 2.8718e-05 deg
tp 2456865.207381730096
(2014-Jul-26.70738173)
0.00012454 JED
period 1553.062979705157
4.25
2.1366e-05
5.85e-08
d
yr
n .231800000839853 3.1889e-09 deg/d
Q 3.114899471097907 2.8568e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1992-05-27  
   last obs. used      2013-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54307  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:51:45  

Additional Information
 Earth MOID = 1.16267 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 12.4 mag n/a MPO266000  
rotation period rot_per 34.0 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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