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173576 (2001 BR55)
Classification: Main-belt Asteroid          SPK-ID: 2173576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671349803955331 3.5905e-08  
a 2.307775199874158 1.1488e-08 au
q 1.922065237085893 8.2843e-08 au
i 10.71197029173771 4.3421e-06 deg
node 151.9603367156618 2.9432e-05 deg
peri 19.33446133104313 3.4199e-05 deg
M 38.58466505805179 1.7656e-05 deg
tp 2458463.253615158789
(2018-Dec-10.75361516)
6.2513e-05 TDB
period 1280.52682246947
3.51
9.5614e-06
2.618e-08
d
yr
n .2811342907333618 2.0992e-09 deg/d
Q 2.693485162662423 1.3408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      8722 days (23.88 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:14  

Additional Information
 Earth MOID = .932584 au 
 Jupiter MOID = 2.28237 au 
 T_jup = 3.545 
[ 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  
diameter diameter 3.358 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.047   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

173576 (2001 BR55)          Discovered 2001-Jan-19 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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