Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
6888 (1971 BD3)
Classification: Main-belt Asteroid          SPK-ID: 2006888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495960294152161 2.912e-08  
a 2.561863247062683 9.1605e-09 au
q 2.178618677397333 7.4336e-08 au
i 3.760260801897831 3.5244e-06 deg
node 248.6630117614534 7.2794e-05 deg
peri 171.9741490430403 7.4819e-05 deg
M 336.2339989439893 1.7955e-05 deg
tp 2458699.374876283375
(2019-Aug-03.87487628)
7.4862e-05 TDB
period 1497.725905932863
4.10
8.0331e-06
2.199e-08
d
yr
n .2403644075153878 1.2892e-09 deg/d
Q 2.945107816728034 1.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2256  
   data-arc span      17846 days (48.86 yr)  
   first obs. used      1971-01-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:18:05  

Additional Information
 Earth MOID = 1.1911 au 
 Jupiter MOID = 2.36979 au 
 T_jup = 3.416 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO309204  
diameter diameter 5.705 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.260   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6888 (1971 BD3)          Discovered 1971-Jan-27 by Torres, C., Petit, J. at Cerro El Roble
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1971 BD3 = 1971 DF = 1976 JY5 = 1986 WX6 = 1990 VJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 07:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin