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385989 (2007 BN74)
Classification: Main-belt Asteroid          SPK-ID: 2385989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453595127519762 6.9057e-08  
a 2.259228401187388 1.7892e-08 au
q 1.930828061595363 1.638e-07 au
i 2.562015962763037 1.2533e-05 deg
node 343.8430680633389 0.00017287 deg
peri 116.4950720847272 0.00018695 deg
M 56.64773717478801 6.4414e-05 deg
tp 2459005.327465887864
(2020-Jun-04.82746589)
0.00022102 TDB
period 1240.333961859297
3.40
1.4735e-05
4.034e-08
d
yr
n .2902444108362151 3.448e-09 deg/d
Q 2.587628740779413 2.0493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-11-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:07:23  

Additional Information
 Earth MOID = .94913 au 
 Jupiter MOID = 2.54732 au 
 T_jup = 3.606 
[ 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 18.2   n/a MPO455757  

385989 (2007 BN74)          Discovered 2007-Jan-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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