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JPL Small-Body Database Browser
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305670 (2009 BL90)
Classification: Main-belt Asteroid          SPK-ID: 2305670
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08927460637894928 4.2764e-08  
a 2.284562573981708 2.0602e-08 au
q 2.080609149441412 9.4491e-08 au
i 6.751883220473567 6.8151e-06 deg
node 134.047644931655 3.9577e-05 deg
peri 272.3754199443886 5.886e-05 deg
M 65.28575879719264 3.9942e-05 deg
tp 2458371.772191438714
(2018-Sep-10.27219144)		 0.00014058 TDB
period 1261.255327334937
3.45		 1.7061e-05
4.671e-08		 d
yr
n .2854299143066366 3.8609e-09 deg/d
Q 2.488515998522004 2.2441e-08 au
   Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2002-01-08  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:46:38  

Additional Information
 Earth MOID = 1.10243 au 
 Jupiter MOID = 2.79016 au 
 T_jup = 3.588 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08834538215699572 4.2687e-08  
q 2.082816658780727 9.4217e-08 au
tp 2457109.525405654625
(2015-Mar-28.02540565)		 0.00014744 TDB
node 134.085514204441 3.9545e-05 deg
peri 272.1301328176282 5.9273e-05 deg
i 6.75399312743821 6.8181e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2002-01-08  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:46:38  

Additional Information
 Jupiter MOID = 2.79016 au 
 T_jup = 3.588 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.822156075907942E-15 -3.947225243415392E-15 -2.150470550546311E-12 -3.056674422855647E-15 -6.496141551949866E-13 -7.34892330157919E-16
q -3.947225243415392E-15 8.876924751961939E-15 4.001752269178711E-12 1.088681221436787E-14 1.202046636038969E-12 3.322640781930918E-15
tp -2.150470550546311E-12 4.001752269178711E-12 2.173867562124233E-8 -5.518452017952081E-11 6.524218972013637E-9 -1.115742303020019E-11
node -3.056674422855647E-15 1.088681221436787E-14 -5.518452017952081E-11 1.563800957356545E-9 -1.568678025755738E-9 6.968312219016062E-11
peri -6.496141551949866E-13 1.202046636038969E-12 6.524218972013637E-9 -1.568678025755738E-9 3.513236716370749E-9 -7.247338836327767E-11
i -7.34892330157919E-16 3.322640781930918E-15 -1.115742303020019E-11 6.968312219016062E-11 -7.247338836327767E-11 4.648648734528357E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO413264  

305670 (2009 BL90)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BL90 = 2002 CP280 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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