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JPL Small-Body Database Browser
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172402 (2003 BJ51)
Classification: Main-belt Asteroid          SPK-ID: 2172402
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706229907121337 7.1131e-08  
a 3.113037494751814 3.1334e-08 au
q 2.581881727198251 2.183e-07 au
i 4.489495109170756 8.2858e-06 deg
node 301.9357892468954 7.5177e-05 deg
peri 225.4087831920044 7.7165e-05 deg
M 35.5238564373911 2.0055e-05 deg
tp 2458802.533110367736
(2019-Nov-15.03311037)
0.00011021 TDB
period 2006.2033634558
5.49
3.0289e-05
8.293e-08
d
yr
n .1794434236117915 2.7092e-09 deg/d
Q 3.644193262305376 3.668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:48:25  

Additional Information
 Earth MOID = 1.59145 au 
 Jupiter MOID = 1.37168 au 
 T_jup = 3.191 
[ 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 15.1   n/a MPO436857  
rotation period rot_per 8.748 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

172402 (2003 BJ51)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 BJ51 = 2000 QJ246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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