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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866762600289941 6.0641e-08  
a 2.624132083208431 1.5042e-08 AU
q 2.134268920092988 1.5526e-07 AU
i 11.43324657215886 6.7014e-06 deg
node 247.8152492976879 3.1109e-05 deg
peri 105.4089609028319 3.6104e-05 deg
M 31.37190915096504 1.7817e-05 deg
tp 2456865.194512188135
(2014-Jul-26.69451219)
7.6386e-05 JED
period 1552.6621404478
4.25
1.335e-05
3.655e-08
d
yr
n .2318598429251152 1.9935e-09 deg/d
Q 3.113995246323874 1.785e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1992-05-27  
   last obs. used      2015-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46301  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:30:19  

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 12.5 mag n/a MPO332894  
rotation period rot_per 34.0 h n/a LCDB (Rev. 2015-May); 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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