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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598680489343406 5.006e-08  
a 2.218555019367035 1.0178e-08 AU
q 1.863878956967339 1.0958e-07 AU
i 2.764933585608323 5.2999e-06 deg
node 82.07070992171863 0.00011827 deg
peri 336.4667944834052 0.0001202 deg
M 61.73503814423447 1.9305e-05 deg
tp 2456593.517822161997
(2013-Oct-28.01782216)
6.463e-05 JED
period 1206.990167359928
3.30
8.3063e-06
2.274e-08
d
yr
n .2982625788803523 2.0526e-09 deg/d
Q 2.573231081766731 1.1806e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      9462 days (25.91 yr)  
   first obs. used      1988-03-18  
   last obs. used      2014-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53674  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:52:46  

Additional Information
 Earth MOID = .875523 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 (399)
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 2014-Apr-16 16:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin