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173578 (2001 BJ68)
Classification: Main-belt Asteroid          SPK-ID: 2173578
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472155059499724 4.098e-08  
a 2.280547087249603 1.057e-08 au
q 1.944815193957417 9.2201e-08 au
i 1.57338623101282 4.2872e-06 deg
node 36.10625362561414 0.00013903 deg
peri 157.1074367254239 0.00013976 deg
M 184.1230247439196 1.3998e-05 deg
tp 2459615.058853529059
(2022-Feb-04.55885353)
5.1024e-05 TDB
period 1257.931499835779
3.44
8.7458e-06
2.394e-08
d
yr
n .2861841046567302 1.9897e-09 deg/d
Q 2.61627898054179 1.2126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      6841 days (18.73 yr)  
   first obs. used      2001-01-31  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:47:53  

Additional Information
 Earth MOID = .944242 au 
 Jupiter MOID = 2.33884 au 
 T_jup = 3.591 
[ 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 16.4   n/a MPO436862  

173578 (2001 BJ68)          Discovered 2001-Jan-31 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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