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 ]  
8107 (1995 BR4)
Classification: Main-belt Asteroid          SPK-ID: 2008107
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0937824525668636 6.2497e-08  
a 2.239300717940645 1.3283e-08 AU
q 2.029293604577433 1.3821e-07 AU
i 7.138553910511646 7.293e-06 deg
node 146.8822658924725 5.152e-05 deg
peri 341.17796634 6.6923e-05 deg
M 273.8078356105457 4.1964e-05 deg
tp 2457093.543667934458
(2015-Mar-12.04366793)
0.00014305 JED
period 1223.959523509916
3.35
1.089e-05
2.982e-08
d
yr
n .2941273735651303 2.617e-09 deg/d
Q 2.449307831303857 1.4529e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      8478 days (23.21 yr)  
   first obs. used      1990-09-18  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53481  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 23:23:08  

Additional Information
 Earth MOID = 1.04526 AU 
 T_jup = 3.620 
[ 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 MPO279600  

8107 (1995 BR4)          Discovered 1995-Jan-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1995 BR4 = 1972 JT = 1986 NQ = 1990 SL3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 11:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin