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452478 (2004 BL115)
Classification: Main-belt Asteroid          SPK-ID: 2452478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037371125936814 6.9444e-08  
a 2.63001910270393 2.8914e-08 au
q 2.3571885149232 1.8607e-07 au
i 12.80809607079606 7.5389e-06 deg
node 316.1339498735878 2.1669e-05 deg
peri 202.1323528418693 3.0545e-05 deg
M 280.1488151556899 2.2551e-05 deg
tp 2459346.053777677972
(2021-May-11.55377768)
9.9092e-05 TDB
period 1557.88997003135
4.27
2.5691e-05
7.034e-08
d
yr
n .2310817881398617 3.8107e-09 deg/d
Q 2.902849690484661 3.1914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5758 days (15.76 yr)  
   first obs. used      2004-01-30  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:33:17  

Additional Information
 Earth MOID = 1.37227 au 
 Jupiter MOID = 2.12867 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457522.5 (2016-May-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032475346466973 6.9675e-08  
q 2.358003568658318 1.865e-07 au
tp 2457791.047501403421
(2017-Feb-06.54750140)
9.5078e-05 TDB
node 316.2086391635179 2.1658e-05 deg
peri 202.7059340959231 3.0588e-05 deg
i 12.8106882687693 7.5416e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5758 days (15.76 yr)  
   first obs. used      2004-01-30  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:33:17  

Additional Information
 Jupiter MOID = 2.12867 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.854664251559979E-15 -1.286847521261586E-14 -2.038441509211159E-13 3.204692854505158E-14 -1.065271810266383E-13 1.391865664883779E-14
q -1.286847521261586E-14 3.478386028578656E-14 6.074906619581851E-13 -8.384928185411419E-14 2.689853928695155E-13 -3.378679299586678E-14
tp -2.038441509211159E-13 6.074906619581851E-13 9.039890539997222E-9 -3.225703548037079E-12 2.067378802546239E-9 8.291194385429399E-12
node 3.204692854505158E-14 -8.384928185411419E-14 -3.225703548037079E-12 4.690742996872548E-10 -4.581271213884601E-10 4.475097231552129E-11
peri -1.065271810266383E-13 2.689853928695155E-13 2.067378802546239E-9 -4.581271213884601E-10 9.355991707761233E-10 -4.202403385512274E-11
i 1.391865664883779E-14 -3.378679299586678E-14 8.291194385429399E-12 4.475097231552129E-11 -4.202403385512274E-11 5.687609437640051E-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 16.6   n/a MPO456154  

452478 (2004 BL115)          Discovered 2004-Jan-30 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

Alternate Designations
 2004 BL115 = 2014 OD54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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