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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 
[ 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 17.57   n/a MPCxxxxx  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1932-May-06 00:14 00:01 Iris 0.0458443136840404 0.0458151292713258 0.0458735219848913 6.38688319476158 6.38688317512804 2426833.509573510 1.27945327788337 2202.55925857384 91.6382910681917 -48.6923814884172 56242.6593993438 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:22 2021-Apr-13 21:56
1935-Sep-12 22:40 00:16 Thisb 0.0290573313699473 0.0290529858454005 0.0290617163637216 3.62867737670281 3.6286773120376 2428058.444493317 15.7997527177223 1816.23893953207 76.6126455790416 -83.5541212409588 56341.6996651002 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:22 2021-Apr-13 21:56
2088-Jun-09 16:36 00:02 Iris 0.0312981060164883 0.0312561568543481 0.0313400869146116 6.45758537952439 6.45758535108077 2483847.192001950 1.50387986015317 2617.20657024991 84.5490228987701 36.9513619847698 33312.2013318754 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:56:22 2021-Apr-13 21:56

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