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35681 (1999 BC2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2035681
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05970719688960172 8.6553e-08  
a 1.957840098825582 1.1582e-08 au
q 1.840942954566646 1.703e-07 au
i 17.4965112608772 1.1516e-05 deg
node 336.7638463603381 1.9291e-05 deg
peri 325.6288258678854 8.1205e-05 deg
M 258.2058047625277 8.1435e-05 deg
tp 2457683.433758022450
(2016-Oct-21.93375802)
0.00022669 JED
period 1000.60865602862
2.74
8.8787e-06
2.431e-08
d
yr
n .3597810171149501 3.1924e-09 deg/d
Q 2.074737243084519 1.2273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      14516 days (39.74 yr)  
   first obs. used      1975-06-14  
   last obs. used      2015-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55854  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:44:17  

Additional Information
 Earth MOID = .839283 au 
 Jupiter MOID = 3.10314 au 
 T_jup = 3.826 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO319519  

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 | Physical Parameters | Discovery Circumstances ]
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