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 ]  
8504 (1990 YC)
Classification: Main-belt Asteroid          SPK-ID: 2008504
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597990815479335 4.8541e-08  
a 2.21814830267793 9.9052e-09 au
q 1.86369024117289 1.058e-07 au
i 2.764713224313022 4.9292e-06 deg
node 82.06387118427916 0.0001023 deg
peri 336.3175376537679 0.00010346 deg
M 240.9184049877679 1.6216e-05 deg
tp 2457799.641089045079
(2017-Feb-15.14108904)
5.5473e-05 JED
period 1206.658275289882
3.30
8.0825e-06
2.213e-08
d
yr
n .2983446161785243 1.9984e-09 deg/d
Q 2.572606364182971 1.1488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      10010 days (27.41 yr)  
   first obs. used      1988-03-18  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47827  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:36:44  

Additional Information
 Earth MOID = .87537 au 
 Jupiter MOID = 2.75151 au 
 T_jup = 3.633 
[ 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 14.1 mag n/a MPO279605  

8504 (1990 YC)          Discovered 1990-Dec-17 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 YC = 1988 FU1 = 1993 TU1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-14 10:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin