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349770 (2009 BW7)
Classification: Main-belt Asteroid          SPK-ID: 2349770
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .289193566997087 6.9642e-08  
a 2.645659915838519 3.1609e-08 au
q 1.880552087715964 1.8785e-07 au
i 11.73083267481796 7.0612e-06 deg
node 157.9135753978965 3.6759e-05 deg
peri 270.227960213598 3.9904e-05 deg
M 265.6876921165998 1.9187e-05 deg
tp 2459412.280071493278
(2021-Jul-16.78007149)
8.9397e-05 TDB
period 1571.807848460802
4.30
2.8169e-05
7.712e-08
d
yr
n .2290356294839291 4.1046e-09 deg/d
Q 3.410767743961073 4.075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      2001-04-16  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:00:01  

Additional Information
 Earth MOID = .936921 au 
 Jupiter MOID = 2.07658 au 
 T_jup = 3.303 
[ 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 16.9   n/a MPO440571  

349770 (2009 BW7)          Discovered 2009-Jan-21 by Lowe, A. at Mayhill
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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