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JPL Small-Body Database Browser
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10920 (1998 BC1)
Classification: Main-belt Asteroid          SPK-ID: 2010920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492636443874457 3.2235e-08  
a 3.178921986757978 1.639e-08 au
q 2.704424505791103 1.0626e-07 au
i .2998803760766698 4.6013e-06 deg
node 182.0940104920989 0.00070922 deg
peri 280.2300959340013 0.00070941 deg
M 294.8234303293161 1.5319e-05 deg
tp 2458975.306600608762
(2020-May-05.80660061)
8.8376e-05 TDB
period 2070.228256886086
5.67
1.6011e-05
4.384e-08
d
yr
n .1738938683705779 1.3449e-09 deg/d
Q 3.653419467724853 1.8837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      14627 days (40.05 yr)  
   first obs. used      1979-11-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:09:40  

Additional Information
 Earth MOID = 1.72148 au 
 Jupiter MOID = 1.49786 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO337350  
diameter diameter 15.712 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

[ show close-approach data ]
Alternate Designations
 1998 BC1 = 1979 WN7 = 1985 YH1 = 1992 BD5 = 1993 HN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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