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 ]  
6993 (1995 BJ4)
Classification: Main-belt Asteroid          SPK-ID: 2006993
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 .08206550799695042 6.3497e-08  
a 3.110501908633695 3.5417e-08 AU
q 2.855236989376186 1.9235e-07 AU
i 2.395204976713648 6.8291e-06 deg
node 128.347912015079 0.00016223 deg
peri 288.0414399049574 0.00016881 deg
M 257.1685101651885 5.0489e-05 deg
tp 2457372.858006410933
(2015-Dec-16.35800641)
0.00028436 JED
period 2003.7527671624
5.49
3.4223e-05
9.37e-08
d
yr
n .179662883515221 3.0685e-09 deg/d
Q 3.365766827891203 3.8324e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      21493 days (58.84 yr)  
   first obs. used      1954-08-27  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5543  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:36:01  

Additional Information
 Earth MOID = 1.86709 AU 
 T_jup = 3.213 
[ 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 12.2 mag n/a MPO265995  

6993 (1995 BJ4)          Discovered 1995-Jan-28 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1995 BJ4 = 1954 QD1 = 1982 VT5 = 1987 SK22 = 1987 ST13 = 1990 FA3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 20:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin