Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3176141090086858 5.0572e-08  
a 2.595919387206362 1.2465e-08 au
q 1.77141876398044 1.3514e-07 au
i 6.487361322927176 5.8184e-06 deg
node 58.21047278553809 3.805e-05 deg
peri 359.44008912987 3.8901e-05 deg
M 1.652712987624572 6.6736e-06 deg
tp 2457393.486574809284
(2016-Jan-05.98657481)
2.831e-05 JED
period 1527.689978576744
4.18
1.1003e-05
3.012e-08
d
yr
n .2356499060990046 1.6972e-09 deg/d
Q 3.420420010432284 1.6424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1076  
   data-arc span      11996 days (32.84 yr)  
   first obs. used      1983-02-11  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49962  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:06  

Additional Information
 Earth MOID = .782603 au 
 Jupiter MOID = 1.95374 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-10 15:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin