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312504 (2009 BY155)
Classification: Main-belt Asteroid          SPK-ID: 2312504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557261294925111 6.7799e-08  
a 2.415344082977442 2.0649e-08 au
q 2.039211897542726 1.6525e-07 au
i 1.794925165812399 8.0541e-06 deg
node 50.08409726266073 0.00019622 deg
peri 193.1577212885329 0.00019757 deg
M 275.2318923156595 2.2559e-05 deg
tp 2459323.347127137601
(2021-Apr-18.84712714)
8.6518e-05 TDB
period 1371.093079042592
3.75
1.7582e-05
4.814e-08
d
yr
n .2625642310523374 3.367e-09 deg/d
Q 2.791476268412158 2.3864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6480 days (17.74 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:37:28  

Additional Information
 Earth MOID = 1.02627 au 
 Jupiter MOID = 2.22324 au 
 T_jup = 3.500 
[ show covariance matrix ]

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 17.5   n/a MPO460290  

312504 (2009 BY155)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2009 BY155 = 2002 GO60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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