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
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497183208343448 2.8406e-08  
a 2.561931256651633 8.1765e-09 au
q 2.178363210812728 7.162e-08 au
i 3.760054429535543 3.347e-06 deg
node 248.6608647389514 6.8451e-05 deg
peri 171.8965098208373 7.0334e-05 deg
M 72.43270147985598 1.6252e-05 deg
tp 2458699.142629556149
(2019-Aug-03.64262956)
6.74e-05 TDB
period 1497.7855463524
4.10
7.1704e-06
1.963e-08
d
yr
n .2403548364294997 1.1507e-09 deg/d
Q 2.945499302490539 9.4007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      18025 days (49.35 yr)  
   first obs. used      1971-01-27  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:32:19  

Additional Information
 Earth MOID = 1.19118 au 
 Jupiter MOID = 2.36978 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-Nov-24 16:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin