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300905 (2008 BZ40)
Classification: Main-belt Asteroid          SPK-ID: 2300905
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07408410352658271 6.95e-08  
a 3.015493741754511 3.9481e-08 au
q 2.792093591206608 2.0888e-07 au
i 10.60678715075506 6.2951e-06 deg
node 182.4068633986915 3.7676e-05 deg
peri 248.0784365140379 5.6252e-05 deg
M 178.303207227654 4.4633e-05 deg
tp 2458053.188676804219
(2017-Oct-26.68867680)
0.00022866 TDB
period 1912.652507226402
5.24
3.7563e-05
1.028e-07
d
yr
n .188220284991573 3.6965e-09 deg/d
Q 3.238893892302414 4.2406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      2000-09-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:29:08  

Additional Information
 Earth MOID = 1.82646 au 
 Jupiter MOID = 2.01926 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457741.5 (2016-Dec-19.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07527242144860039 6.9501e-08  
q 2.788715610206197 2.0909e-07 au
tp 2458055.411043342208
(2017-Oct-28.91104334)
0.00022509 TDB
node 182.4326372155265 3.7663e-05 deg
peri 248.3545945594096 5.5734e-05 deg
i 10.60901525183464 6.2969e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      2000-09-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:29:08  

Additional Information
 Jupiter MOID = 2.01926 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.830386231645426E-15 -1.43079818974478E-14 -3.494260894561456E-13 -3.462925804095239E-14 -1.522280904717423E-13 -1.678333232309998E-15
q -1.43079818974478E-14 4.371740610388607E-14 4.457239101703347E-12 1.064982580550426E-13 1.033609053142038E-12 7.89706668229075E-15
tp -3.494260894561456E-13 4.457239101703347E-12 5.066705939223617E-8 3.604056354392754E-11 9.31434846844307E-9 4.563020463506335E-12
node -3.462925804095239E-14 1.064982580550426E-13 3.604056354392754E-11 1.418486544180666E-9 -1.386430519899982E-9 5.403845103237459E-11
peri -1.522280904717423E-13 1.033609053142038E-12 9.31434846844307E-9 -1.386430519899982E-9 3.106255886684024E-9 -5.245653888975876E-11
i -1.678333232309998E-15 7.89706668229075E-15 4.563020463506335E-12 5.403845103237459E-11 -5.245653888975876E-11 3.965131293885296E-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 16.0   n/a MPO433940  

300905 (2008 BZ40)          Discovered 2008-Jan-31 by La Sagra at La Sagra
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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