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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409332374141827 7.9479e-08  
a 2.584340663860969 2.1793e-08 au
q 2.220121167521925 2.0622e-07 au
i 3.339378852350664 1.0527e-05 deg
node 286.4312704465833 0.00011587 deg
peri 146.823933375037 0.00012078 deg
M 35.69114433043692 3.2533e-05 deg
tp 2458450.053863176463
(2018-Nov-27.55386318)
0.0001368 TDB
period 1517.480323831646
4.15
1.9195e-05
5.255e-08
d
yr
n .2372353659855029 3.0008e-09 deg/d
Q 2.948560160200013 2.4864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2001-10-20  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:48:28  

Additional Information
 Earth MOID = 1.23575 au 
 Jupiter MOID = 2.30449 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456921.5 (2014-Sep-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398379991647981 8.0316e-08  
q 2.222959457931923 2.0832e-07 au
tp 2456934.323306270496
(2014-Oct-03.82330627)
0.00013562 TDB
node 286.5232995532146 0.0001157 deg
peri 147.2169079005224 0.00012064 deg
i 3.341512434764804 1.0534e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2001-10-20  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:48:28  

Additional Information
 Jupiter MOID = 2.30449 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.450694679031799E-15 -1.666369523187973E-14 5.317756891543342E-12 -1.632131889520392E-14 1.540661758859251E-12 2.999102098879803E-15
q -1.666369523187973E-14 4.339582347778626E-14 -1.370099643236475E-11 3.700748388408218E-14 -3.968986750960188E-12 -8.155716937727314E-15
tp 5.317756891543342E-12 -1.370099643236475E-11 1.839337328202609E-8 -2.941202451692843E-11 4.653819738028501E-9 6.034739020129393E-12
node -1.632131889520392E-14 3.700748388408218E-14 -2.941202451692843E-11 1.338609054553611E-8 -1.337074357822745E-8 4.069295398673052E-10
peri 1.540661758859251E-12 -3.968986750960188E-12 4.653819738028501E-9 -1.337074357822745E-8 1.455458790135577E-8 -4.047348612656855E-10
i 2.999102098879803E-15 -8.155716937727314E-15 6.034739020129393E-12 4.069295398673052E-10 -4.047348612656855E-10 1.109578371854804E-10

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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