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187668 (2008 BB39)
Classification: Main-belt Asteroid          SPK-ID: 2187668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132936092711714 4.9896e-08  
a 2.240121733410208 1.4038e-08 au
q 1.986330257025373 1.1428e-07 au
i 3.084812747743463 5.1845e-06 deg
node 200.9231502151894 8.5116e-05 deg
peri 345.8612600371169 8.8062e-05 deg
M 259.4862040538889 2.3052e-05 deg
tp 2459542.423562718069
(2021-Nov-23.92356272)
8.0062e-05 TDB
period 1224.632712553199
3.35
1.1512e-05
3.152e-08
d
yr
n .2939656897205099 2.7633e-09 deg/d
Q 2.493913209795044 1.5629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2003-10-21  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62755  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:21  

Additional Information
 Earth MOID = .986885 au 
 Jupiter MOID = 2.46322 au 
 T_jup = 3.625 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457650.5 (2016-Sep-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128337485719222 5.0045e-08  
q 1.987641404873698 1.1457e-07 au
tp 2457093.622020068446
(2015-Mar-12.12202007)
7.0962e-05 TDB
node 200.9477728509945 8.5065e-05 deg
peri 346.0298637290903 8.8021e-05 deg
i 3.085264911940301 5.1862e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2003-10-21  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62755  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:21  

Additional Information
 Jupiter MOID = 2.46322 au 
 T_jup = 3.625 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.504511385186685E-15 -5.700436129854244E-15 1.845627627257929E-13 -1.265802116413248E-14 1.159436046097013E-13 -4.613780124344096E-16
q -5.700436129854244E-15 1.312701315186206E-14 -1.778627341777565E-13 2.839342724803659E-14 -1.730312036949696E-13 1.378941879539893E-15
tp 1.845627627257929E-13 -1.778627341777565E-13 5.035607370951467E-9 -2.202276931193033E-11 1.617341911790803E-9 2.221646533723715E-12
node -1.265802116413248E-14 2.839342724803659E-14 -2.202276931193033E-11 7.236102100654774E-9 -7.231888932400608E-9 -1.607635311493927E-11
peri 1.159436046097013E-13 -1.730312036949696E-13 1.617341911790803E-9 -7.231888932400608E-9 7.747690851952102E-9 1.680118330037583E-11
i -4.613780124344096E-16 1.378941879539893E-15 2.221646533723715E-12 -1.607635311493927E-11 1.680118330037583E-11 2.689676570715681E-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 17.57   n/a MPCxxxxx  

187668 (2008 BB39)          Discovered 2008-Jan-30 by OAM at OAM
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2008 BB39 = 2005 GP26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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