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 ]  
27740 Obatomoyuki (1990 UC1)
Classification: Main-belt Asteroid          SPK-ID: 2027740
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149028814891706 7.9009e-08  
a 2.397321524958858 1.5306e-08 AU
q 1.882130221389187 1.9127e-07 AU
i 10.30491489355824 7.8858e-06 deg
node 8.732039418014574 3.3499e-05 deg
peri 302.4434994795314 3.6764e-05 deg
M 179.8527665946662 1.9283e-05 deg
tp 2456123.166624222875
(2012-Jul-14.66662422)
7.0081e-05 JED
period 1355.775726426865
3.71
1.2984e-05
3.555e-08
d
yr
n .2655306427035516 2.5429e-09 deg/d
Q 2.91251282852853 1.8595e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      8534 days (23.36 yr)  
   first obs. used      1990-10-11  
   last obs. used      2014-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 01:51:52  

Additional Information
 Earth MOID = .890995 AU 
 T_jup = 3.475 
[ 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 14.3 mag n/a MPO270308  

27740 Obatomoyuki           Discovered 1990 Oct. 20 by T. Seki at Geisei.
Tomoyuki Oba (b. 1965) is from Konan city, Kochi prefecture. He helps visitors as a presenter at Geisei Observatory, while teaching junior high school.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

Alternate Designations
 1990 UC1 = 1998 XL44 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-22 17:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin