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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05625630192492542 7.0958e-08  
a 2.187835232920837 1.3351e-08 au
q 2.064755713495653 1.6145e-07 au
i 4.73981282472505 6.4213e-06 deg
node 18.08692792709954 6.6132e-05 deg
peri 130.8442046857936 9.8365e-05 deg
M 42.5571492756024 6.8168e-05 deg
tp 2457260.769770388921
(2015-Aug-26.26977039)
0.00022406 JED
period 1182.00780635527
3.24
1.082e-05
2.962e-08
d
yr
n .3045665164514123 2.7879e-09 deg/d
Q 2.31091475234602 1.4102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      8580 days (23.49 yr)  
   first obs. used      1991-09-17  
   last obs. used      2015-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48444  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:26:19  

Additional Information
 Earth MOID = 1.07842 au 
 Jupiter MOID = 2.67192 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 MPO319428  

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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