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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05995124703245681 5.4764e-08  
a 1.957919790871921 6.127e-09 au
q 1.840540057819622 1.0747e-07 au
i 17.49408803431556 6.0798e-06 deg
node 336.7382047803183 1.47e-05 deg
peri 325.4737202587106 4.1361e-05 deg
M 330.166125361098 3.8941e-05 deg
tp 2458683.427377426825
(2019-Jul-18.92737743)
0.00010824 TDB
period 1000.669749906664
2.74
4.6972e-06
1.286e-08
d
yr
n .3597590514088972 1.6887e-09 deg/d
Q 2.07529952392422 6.4943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      16164 days (44.25 yr)  
   first obs. used      1975-06-14  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:56:03  

Additional Information
 Earth MOID = .840104 au 
 Jupiter MOID = 3.1015 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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