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47102 (1999 BT12)
Classification: Main-belt Asteroid          SPK-ID: 2047102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649197303426113 5.2084e-08  
a 3.121829185617277 1.9148e-08 au
q 2.606977958149582 1.6544e-07 au
i 4.41941027392001 5.2344e-06 deg
node 237.309700163458 6.4138e-05 deg
peri 159.0527447644135 6.5592e-05 deg
M 322.7415232308838 1.2638e-05 deg
tp 2458809.013763281529
(2019-Nov-21.51376328)
7.0795e-05 TDB
period 2014.708095731184
5.52
1.8536e-05
5.075e-08
d
yr
n .1786859350805098 1.644e-09 deg/d
Q 3.636680413084972 2.2306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      16073 days (44.01 yr)  
   first obs. used      1975-12-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53423  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:00:28  

Additional Information
 Earth MOID = 1.61419 au 
 Jupiter MOID = 1.79027 au 
 T_jup = 3.190 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO359054  
diameter diameter 9.497 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47102 (1999 BT12)          Discovered 1999-Jan-20 by Korlevic, K. at Visnjan
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BT12 = 1975 XL2 = 1991 PU10 = 1992 YW4 = 1997 WP48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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