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100012 (1989 BC1)
Classification: Main-belt Asteroid          SPK-ID: 2100012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279547481667239 4.5958e-08  
a 2.672453744336301 1.4354e-08 au
q 1.925376030234905 1.2473e-07 au
i 27.76926558021723 5.0037e-06 deg
node 119.1099018721856 1.0834e-05 deg
peri 288.5772081228216 1.3611e-05 deg
M 110.2878142216006 9.5947e-06 deg
tp 2458511.635218454070
(2019-Jan-28.13521845)
4.0443e-05 TDB
period 1595.745845528468
4.37
1.2856e-05
3.52e-08
d
yr
n .2255998353426874 1.8175e-09 deg/d
Q 3.419531458437697 1.8366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2031  
   data-arc span      11481 days (31.43 yr)  
   first obs. used      1989-01-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:11:54  

Additional Information
 Earth MOID = 1.08998 au 
 Jupiter MOID = 2.30296 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2783287849885147 4.5905e-08  
q 1.930096697489155 1.2455e-07 au
tp 2456915.749739364824
(2014-Sep-15.24973936)
3.6274e-05 TDB
node 119.1676194720686 1.0828e-05 deg
peri 288.6945132174977 1.3642e-05 deg
i 27.76306046835573 5.0034e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2031  
   data-arc span      11481 days (31.43 yr)  
   first obs. used      1989-01-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:11:54  

Additional Information
 Jupiter MOID = 2.30296 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.107257730135227E-15 -5.698382437201527E-15 6.45547314109901E-15 -2.073332748722877E-15 -6.231428045853661E-14 -5.754300837361266E-16
q -5.698382437201527E-15 1.551387020395828E-14 5.052530240591064E-14 5.835595437542566E-15 1.877192279417999E-13 1.563718564994981E-15
tp 6.45547314109901E-15 5.052530240591064E-14 1.31577859108869E-9 -6.106954550455696E-13 3.232956313691828E-10 -1.711305883487919E-12
node -2.073332748722877E-15 5.835595437542566E-15 -6.106954550455696E-13 1.172531461896941E-10 -1.03812451898963E-10 1.475425994790818E-12
peri -6.231428045853661E-14 1.877192279417999E-13 3.232956313691828E-10 -1.03812451898963E-10 1.861034626997912E-10 -1.687446664505415E-12
i -5.754300837361266E-16 1.563718564994981E-15 -1.711305883487919E-12 1.475425994790818E-12 -1.687446664505415E-12 2.503412897804675E-11

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 14.4   n/a MPO493562  
diameter diameter 6.154 km 1.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.032   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

100012 (1989 BC1)          Discovered 1989-Jan-25 by Mrkos, A. at Klet
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1989 BC1 = 1989 AC3 = 2001 VR98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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