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249373 (2009 BY1)
Classification: Main-belt Asteroid          SPK-ID: 2249373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09993731903719297 5.0234e-08  
a 2.19635814789051 1.3999e-08 au
q 1.976860002944838 1.1003e-07 au
i 5.348379081754277 4.9763e-06 deg
node 298.1386662006549 5.7857e-05 deg
peri 249.2626559482111 6.3826e-05 deg
M 134.7719000313058 2.4945e-05 deg
tp 2458555.407766198615
(2019-Mar-12.90776620)
8.363e-05 TDB
period 1188.921460120977
3.26
1.1366e-05
3.112e-08
d
yr
n .3027954428237578 2.8948e-09 deg/d
Q 2.415856292836182 1.5398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6427 days (17.60 yr)  
   first obs. used      2001-11-24  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:33  

Additional Information
 Earth MOID = .985784 au 
 Jupiter MOID = 2.56819 au 
 T_jup = 3.656 
[ 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 17.0   n/a MPO266676  

249373 (2009 BY1)          Discovered 2009-Jan-18 by Lowe, A. at Mayhill
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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