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187023 (2005 BQ2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05550844357207312 5.8987e-08  
a 1.949104741614347 9.7318e-09 au
q 1.840912971048386 1.1586e-07 au
i 21.18327796351217 7.4932e-06 deg
node 27.0281951439526 1.218e-05 deg
peri 114.3294069536834 7.2612e-05 deg
M 302.9634662213839 6.9195e-05 deg
tp 2459357.971446855925
(2021-May-23.47144686)
0.00019127 TDB
period 993.919460256313
2.72
7.4439e-06
2.038e-08
d
yr
n .3622023860033517 2.7127e-09 deg/d
Q 2.057296512180307 1.0272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-10-29  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:41  

Additional Information
 Earth MOID = .885639 au 
 Jupiter MOID = 2.94818 au 
 T_jup = 3.809 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457393.5 (2016-Jan-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05536714059070878 5.9072e-08  
q 1.841369748281125 1.1604e-07 au
tp 2457370.386111680394
(2015-Dec-13.88611168)
0.00018934 TDB
node 27.05873572821811 1.2177e-05 deg
peri 114.4038436304173 7.2769e-05 deg
i 21.18634287251867 7.4937e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-10-29  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:41  

Additional Information
 Jupiter MOID = 2.94818 au 
 T_jup = 3.809 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.489442900522856E-15 -6.833013573962478E-15 7.145290457861854E-12 1.22488859444158E-14 2.748350197292517E-12 -3.167862666705643E-14
q -6.833013573962478E-15 1.346498886295576E-14 -1.372450628250586E-11 -2.531250964571919E-14 -5.283633428246522E-12 6.401970309044044E-14
tp 7.145290457861854E-12 -1.372450628250586E-11 3.585019314760174E-8 3.674299590814202E-12 1.359260013526975E-8 -8.861466363547884E-12
node 1.22488859444158E-14 -2.531250964571919E-14 3.674299590814202E-12 1.482816111027435E-10 -1.357900859812158E-10 -2.557711403425589E-11
peri 2.748350197292517E-12 -5.283633428246522E-12 1.359260013526975E-8 -1.357900859812158E-10 5.295359261568722E-9 1.960836569051327E-11
i -3.167862666705643E-14 6.401970309044044E-14 -8.861466363547884E-12 -2.557711403425589E-11 1.960836569051327E-11 5.615568089079985E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.72   n/a MPCxxxxx  

187023 (2005 BQ2)          Discovered 2005-Jan-16 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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