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 ]  
9981 (1995 BS3)
Classification: Main-belt Asteroid          SPK-ID: 2009981
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 .02516601865513459 4.0975e-08  
a 2.676579281585246 2.0358e-08 AU
q 2.609220437452925 1.128e-07 AU
i 2.510644939042559 5.6931e-06 deg
node 164.9314335108868 0.00010542 deg
peri 280.4316103012368 0.00017242 deg
M 247.4916398327579 0.00013944 deg
tp 2457500.362881963210
(2016-Apr-21.86288196)
0.0006224 JED
period 1599.442363565352
4.38
1.8248e-05
4.996e-08
d
yr
n .2250784449634785 2.5679e-09 deg/d
Q 2.743938125717567 2.087e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      13711 days (37.54 yr)  
   first obs. used      1977-01-20  
   last obs. used      2014-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:15:49  

Additional Information
 Earth MOID = 1.62641 AU 
 T_jup = 3.377 
[ 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 13.8 mag n/a MPO266011  

9981 (1995 BS3)          Discovered 1995-Jan-31 by Kobayashi, T. at Oizumi (411)
Reference: 19990202/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 BS3 = 1977 BJ = 1997 QO4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-27 15:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin