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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679054115298908 3.3187e-08  
a 2.307305133693192 1.0452e-08 au
q 1.919896115695407 7.4866e-08 au
i 10.71870104388733 3.6257e-06 deg
node 151.9175603519808 2.9036e-05 deg
peri 19.32121647597219 3.3572e-05 deg
M 151.0307441050051 1.6696e-05 deg
tp 2458463.444910315923
(2018-Dec-10.94491032)
5.8678e-05 TDB
period 1280.135600416872
3.50
8.6982e-06
2.381e-08
d
yr
n .2812202081426117 1.9108e-09 deg/d
Q 2.694714151690977 1.2207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      8797 days (24.08 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:06:16  

Additional Information
 Earth MOID = .929955 au 
 Jupiter MOID = 2.27975 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 16.5   n/a MPO475469  
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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