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JPL Small-Body Database Browser
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172409 (2003 BJ77)
Classification: Main-belt Asteroid          SPK-ID: 2172409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756524115407772 4.0188e-08  
a 3.161647738983868 2.8178e-08 au
q 2.606296689188906 1.2955e-07 au
i 2.686402923036631 4.6502e-06 deg
node 89.47333980433322 0.00011198 deg
peri 23.41566922431019 0.00011308 deg
M 42.03073069531125 1.4405e-05 deg
tp 2458760.764092591774
(2019-Oct-04.26409259)
8.2109e-05 TDB
period 2053.376785014807
5.62
2.7451e-05
7.516e-08
d
yr
n .1753209652642508 2.3438e-09 deg/d
Q 3.71699878877883 3.3128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      2000-07-31  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:48:26  

Additional Information
 Earth MOID = 1.62313 au 
 Jupiter MOID = 1.4014 au 
 T_jup = 3.179 
[ 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 15.8   n/a MPO459802  

172409 (2003 BJ77)          Discovered 2003-Jan-30 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 BJ77 = 2004 KB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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