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305692 (2009 BT130)
Classification: Main-belt Asteroid          SPK-ID: 2305692
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251577742649073 5.9709e-08  
a 3.13502759096879 4.4863e-08 au
q 2.429151756327183 1.8754e-07 au
i 15.79959281199177 7.7e-06 deg
node 356.1790133327665 2.1594e-05 deg
peri 296.20691572 2.7122e-05 deg
M 256.4871439699554 1.5676e-05 deg
tp 2459583.478137660405
(2022-Jan-03.97813766)
9.422e-05 TDB
period 2027.498202704701
5.55
4.3521e-05
1.192e-07
d
yr
n .177558727065581 3.8114e-09 deg/d
Q 3.840903425610397 5.4964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5773 days (15.81 yr)  
   first obs. used      2004-04-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:54  

Additional Information
 Earth MOID = 1.46208 au 
 Jupiter MOID = 1.74127 au 
 T_jup = 3.115 
[ 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 15.5   n/a MPO433970  

305692 (2009 BT130)          Discovered 2009-Jan-31 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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