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35681 (1999 BC2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2035681
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05973672069197455 5.4522e-08  
a 1.9576819159146 5.8058e-09 au
q 1.84073641809988 1.0686e-07 au
i 17.49573861132741 6.0298e-06 deg
node 336.7299375233309 1.331e-05 deg
peri 325.5664889501756 3.9037e-05 deg
M 114.0180788970121 3.6135e-05 deg
tp 2458683.628748641592
(2019-Jul-19.12874864)
0.00010062 TDB
period 1000.487392811319
2.74
4.4507e-06
1.219e-08
d
yr
n .3598246240648953 1.6007e-09 deg/d
Q 2.07462741372932 6.1526e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1184  
   data-arc span      16290 days (44.60 yr)  
   first obs. used      1975-06-14  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:54:43  

Additional Information
 Earth MOID = .841092 au 
 Jupiter MOID = 3.10028 au 
 T_jup = 3.826 
[ 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 14.8   n/a MPO436015  
diameter diameter 1.961 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.606   0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35681 (1999 BC2)          Discovered 1999-Jan-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BC2 = 1989 PK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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