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212970 (2009 BY109)
Classification: Main-belt Asteroid          SPK-ID: 2212970
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076104357155172 4.9362e-08  
a 2.222358126588185 1.6369e-08 au
q 1.98320920027011 1.1219e-07 au
i 5.350098553631197 4.8552e-06 deg
node 160.675658657565 5.9536e-05 deg
peri 274.1686282546586 6.518e-05 deg
M 220.6136145220937 2.772e-05 deg
tp 2459469.029942457382
(2021-Sep-11.52994246)
9.5534e-05 TDB
period 1210.095079991818
3.31
1.337e-05
3.661e-08
d
yr
n .2974972842649968 3.2869e-09 deg/d
Q 2.46150705290626 1.8131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:46  

Additional Information
 Earth MOID = 1.0067 au 
 Jupiter MOID = 2.7446 au 
 T_jup = 3.635 
[ 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 17.3   n/a MPO427253  

212970 (2009 BY109)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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