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123789 (2001 BL25)
Classification: Main-belt Asteroid          SPK-ID: 2123789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194640006217901 5.189e-08  
a 2.791400050348378 1.587e-08 au
q 2.457928232997894 1.428e-07 au
i 3.232855865182871 4.6707e-06 deg
node 281.2532209711449 8.8634e-05 deg
peri 213.8929575945734 9.1492e-05 deg
M 46.17546531841383 2.0961e-05 deg
tp 2458782.005590346333
(2019-Oct-25.50559035)
9.8742e-05 TDB
period 1703.458469403947
4.66
1.4527e-05
3.977e-08
d
yr
n .21133476774809 1.8022e-09 deg/d
Q 3.124871867698861 1.7766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:33  

Additional Information
 Earth MOID = 1.4728 au 
 Jupiter MOID = 1.91877 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205481974535977 5.1966e-08  
q 2.454796146452173 1.4332e-07 au
tp 2457079.282612401789
(2015-Feb-25.78261240)
9.5145e-05 TDB
node 281.2811545323999 8.8634e-05 deg
peri 214.0784077378684 9.1424e-05 deg
i 3.233018702787846 4.6714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:33  

Additional Information
 Jupiter MOID = 1.91877 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.700430707016384E-15 -7.413699213447541E-15 1.891954797096659E-12 1.176422792372204E-14 4.785310777943867E-13 -1.680845548449228E-15
q -7.413699213447541E-15 2.053954810765151E-14 -5.189146583704647E-12 -3.103608823685447E-14 -1.305494691978643E-12 4.765073290200324E-15
tp 1.891954797096659E-12 -5.189146583704647E-12 9.05251791394299E-9 2.627134353047375E-11 2.163910285020013E-9 -7.009773984379552E-13
node 1.176422792372204E-14 -3.103608823685447E-14 2.627134353047375E-11 7.855997008538511E-9 -7.836338641830848E-9 1.442424647147785E-10
peri 4.785310777943867E-13 -1.305494691978643E-12 2.163910285020013E-9 -7.836338641830848E-9 8.358305146655696E-9 -1.441935001273453E-10
i -1.680845548449228E-15 4.765073290200324E-15 -7.009773984379552E-13 1.442424647147785E-10 -1.441935001273453E-10 2.182163699393135E-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 15.4   n/a MPO469289  

123789 (2001 BL25)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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