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305639 (2009 BA39)
Classification: Main-belt Asteroid          SPK-ID: 2305639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089600532567511 5.6441e-08  
a 2.376312913086095 1.4887e-08 au
q 2.117389731521528 1.3129e-07 au
i 6.194345530474958 7.0479e-06 deg
node 326.1081038684379 4.1865e-05 deg
peri 116.6677175800585 5.1879e-05 deg
M 184.6044783017239 3.1019e-05 deg
tp 2460048.383319864952
(2023-Apr-13.88331986)
0.00011641 TDB
period 1337.993084880966
3.66
1.2573e-05
3.442e-08
d
yr
n .2690596865319579 2.5284e-09 deg/d
Q 2.635236094650661 1.6509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1998-03-02  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:07:18  

Additional Information
 Earth MOID = 1.14192 au 
 Jupiter MOID = 2.54303 au 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.01   n/a E2021B25  

305639 (2009 BA39)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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