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 ]  
8185 (1992 WR2)
Classification: Main-belt Asteroid          SPK-ID: 2008185
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01747162740109575 5.0884e-08  
a 2.856369286016152 2.394e-08 AU
q 2.806463866130944 1.5463e-07 AU
i 3.07909260500588 5.7182e-06 deg
node 67.06873025298547 9.9555e-05 deg
peri 198.7680728058116 0.00020935 deg
M 358.587464544702 0.00018362 deg
tp 2457007.418577585877
(2014-Dec-15.91857759)
0.00089938 JED
period 1763.274629018396
4.83
2.2168e-05
6.069e-08
d
yr
n .2041655871838919 2.5667e-09 deg/d
Q 2.90627470590136 2.4358e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      12846 days (35.17 yr)  
   first obs. used      1980-03-15  
   last obs. used      2015-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48657  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:00:42  

Additional Information
 Earth MOID = 1.79228 AU 
 T_jup = 3.301 
[ 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 12.8 mag n/a MPO302116  

8185 (1992 WR2)          Discovered 1992-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1992 WR2 = 1980 EV1 = 1984 BS7 = 1995 MH 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-02 09:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin