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266299 (2007 BK78)
Classification: Main-belt Asteroid          SPK-ID: 2266299
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140822753700558 5.3774e-08  
a 2.583662908392056 2.071e-08 au
q 2.219824382998294 1.337e-07 au
i 3.339457149357089 5.7228e-06 deg
node 286.4335727825746 0.00010775 deg
peri 146.7080529105215 0.0001106 deg
M 130.7322545963897 2.7833e-05 deg
tp 2458449.651142771616
(2018-Nov-27.15114277)
0.00011428 TDB
period 1516.883413465544
4.15
1.8239e-05
4.994e-08
d
yr
n .2373287207205509 2.8536e-09 deg/d
Q 2.947501433785817 2.3627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:22:10  

Additional Information
 Earth MOID = 1.23563 au 
 Jupiter MOID = 2.3053 au 
 T_jup = 3.407 
[ 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 17.1   n/a MPO418412  

266299 (2007 BK78)          Discovered 2007-Jan-24 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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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
1950-Sep-12 17:59 00:14 Hygie 0.000967428061109769 0.000963109801985421 0.000972024216423392 2.87603812703871 2.87602424062323 2433537.249133291 14.4050590984453 1036.62991975203 131.247233472537 80.0213839967501 1081.02444789642 T 9 CATAB v2.0f-lin.ifort 2020-May-21 15:22:29 2020-May-21 15:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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