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305357 (2008 BA28)
Classification: Main-belt Asteroid          SPK-ID: 2305357
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07989182365643167 4.5142e-08  
a 3.108188423935181 3.8216e-08 au
q 2.859869582479189 1.5245e-07 au
i 9.379420536798138 4.6521e-06 deg
node 127.5714703330406 3.914e-05 deg
peri 191.4896866960629 5.6037e-05 deg
M 294.1289167650706 4.2405e-05 deg
tp 2459566.728163732010
(2021-Dec-18.22816373)
0.00023834 TDB
period 2001.51769894702
5.48
3.6913e-05
1.011e-07
d
yr
n .1798635106696247 3.3172e-09 deg/d
Q 3.356507265391173 4.1269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2004-04-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:54:48  

Additional Information
 Earth MOID = 1.84512 au 
 Jupiter MOID = 1.91385 au 
 T_jup = 3.194 
[ 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 15.79   n/a E2021B25  

305357 (2008 BA28)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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