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 ]  
9890 (1995 SY2)
Classification: Main-belt Asteroid          SPK-ID: 2009890
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407062328681448 7.9808e-08  
a 2.170256855878004 1.3662e-08 AU
q 1.864888189331146 1.7473e-07 AU
i .7053507186105928 5.5412e-06 deg
node 89.97798622842612 0.0005967 deg
peri 281.0768405566567 0.00059709 deg
M 292.1924277551436 2.1684e-05 deg
tp 2457020.458539174765
(2014-Dec-28.95853917)
7.0989e-05 JED
period 1167.791022173368
3.20
1.1027e-05
3.019e-08
d
yr
n .3082743343325302 2.9108e-09 deg/d
Q 2.475625522424862 1.5584e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      12332 days (33.76 yr)  
   first obs. used      1979-09-23  
   last obs. used      2013-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53767  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:29:12  

Additional Information
 Earth MOID = .863355 AU 
 T_jup = 3.676 
[ 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 14.7 mag n/a MPO266010  

9890 (1995 SY2)          Discovered 1995-Sep-20 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19990106/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SY2 = 1979 SG5 = 1992 VA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 22:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin