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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14062035386363 6.4615e-08  
a 2.170069163502816 1.5182e-08 AU
q 1.864913269822499 1.4838e-07 AU
i .7053475683878047 4.6495e-06 deg
node 89.98027133854745 0.00046683 deg
peri 281.0789622251612 0.00046723 deg
M 353.8413235912258 1.7273e-05 deg
tp 2457020.475316788635
(2014-Dec-28.97531679)
5.6029e-05 JED
period 1167.639532686532
3.20
1.2253e-05
3.355e-08
d
yr
n .308314329827206 3.2355e-09 deg/d
Q 2.475225057183134 1.7317e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      12792 days (35.02 yr)  
   first obs. used      1979-09-23  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49625  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:26  

Additional Information
 Earth MOID = .864778 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-Oct-23 19:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin