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6888 (1971 BD3)
Classification: Main-belt Asteroid          SPK-ID: 2006888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497183201151485 2.8502e-08  
a 2.561931256894959 8.2154e-09 au
q 2.178363212862155 7.193e-08 au
i 3.760054624175341 3.3796e-06 deg
node 248.6608646701586 6.8453e-05 deg
peri 171.8965098686389 7.0336e-05 deg
M 72.43270135470149 1.6259e-05 deg
tp 2458699.142630033923
(2019-Aug-03.64263003)
6.7425e-05 TDB
period 1497.785546565784
4.10
7.2044e-06
1.972e-08
d
yr
n .2403548363952572 1.1561e-09 deg/d
Q 2.945499300927764 9.4453e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2526  
   data-arc span      17985 days (49.24 yr)  
   first obs. used      1971-01-27  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:40:01  

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 ]
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