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9851 Sakamoto (1990 UG3)
Classification: Main-belt Asteroid          SPK-ID: 2009851
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3176270059357084 4.9946e-08  
a 2.596175252200671 1.2061e-08 au
q 1.771559879959789 1.3328e-07 au
i 6.487274966206654 5.7367e-06 deg
node 58.20778829026551 3.6428e-05 deg
peri 359.464811649342 3.7359e-05 deg
M 48.76503805302301 6.5318e-06 deg
tp 2457393.530904292295
(2016-Jan-06.03090429)
2.7474e-05 JED
period 1527.91584769726
4.18
1.0647e-05
2.915e-08
d
yr
n .2356150703866056 1.6419e-09 deg/d
Q 3.420790624441552 1.5892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      12104 days (33.14 yr)  
   first obs. used      1983-02-11  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49617  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:06:33  

Additional Information
 Earth MOID = .782149 au 
 Jupiter MOID = 1.95175 au 
 T_jup = 3.335 
[ 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 13.6 mag n/a MPO350880  

9851 Sakamoto           Discovered 1990 Oct. 24 by K. Endate and K. Watanabe at Kitami.
Makoto Sakamoto (b. 1967) is a research fellow of the Nishi-Harima Astronomical Observatory. He worked previously as an engineer at a telescope manufacturing firm from 1993 to 1995. He was also well known as a youthful astronomy educator during his days as a university student.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1990 UG3 = 1969 TO3 = 1983 CP = 1986 XG3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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