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27791 Masaru (1993 DD1)
Classification: Main-belt Asteroid          SPK-ID: 2027791
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05601281857677335 7.3227e-08  
a 2.187551485169219 1.7603e-08 AU
q 2.065020560703084 1.6259e-07 AU
i 4.739068792964854 7.816e-06 deg
node 18.10154352957979 7.4111e-05 deg
peri 131.263220530958 0.00010321 deg
M 219.3846285989658 6.804e-05 deg
tp 2457262.100370918380
(2015-Aug-27.60037092)
0.00022266 JED
period 1181.777865925364
3.24
1.4264e-05
3.905e-08
d
yr
n .3046257764508986 3.6769e-09 deg/d
Q 2.310082409635354 1.8589e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      7551 days (20.67 yr)  
   first obs. used      1991-09-17  
   last obs. used      2012-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56732  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 21:55:29  

Additional Information
 Earth MOID = 1.07871 AU 
 T_jup = 3.669 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO231611  

27791 Masaru           Discovered 1993 Feb. 24 by Y. Kushida and O. Muramatsu at the Yatsugatake South Base Observatory.
Masaru Kubota (b. 1959) is a broadcaster at a television station and a certified weather forecaster. He makes an effort to popularize science and astronomy through his weather reports.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020624/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1993 DD1 = 1991 SH5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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