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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05974030858212882 8.0186e-08  
a 1.957598589145201 1.1005e-08 au
q 1.840651045349727 1.5865e-07 au
i 17.49627377606511 1.0933e-05 deg
node 336.7617421987516 1.9061e-05 deg
peri 325.7715010631006 7.7719e-05 deg
M 330.0363991153353 7.7094e-05 deg
tp 2457683.767474889768
(2016-Oct-22.26747489)
0.00021429 JED
period 1000.423516375772
2.74
8.4365e-06
2.31e-08
d
yr
n .3598475986491897 3.0346e-09 deg/d
Q 2.074546132940676 1.1663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      14860 days (40.68 yr)  
   first obs. used      1975-06-14  
   last obs. used      2016-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56356  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:17:05  

Additional Information
 Earth MOID = .840254 au 
 Jupiter MOID = 3.1037 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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