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442573 (2012 BP73)
Classification: Main-belt Asteroid          SPK-ID: 2442573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09812041924519005 1.1494e-07  
a 3.059345692693982 7.4746e-08 au
q 2.759161410710882 4.0874e-07 au
i 17.43497056104043 7.0945e-06 deg
node 144.3971355131799 1.6134e-05 deg
peri 244.9560780490935 4.3649e-05 deg
M 324.189379790819 4.7059e-05 deg
tp 2459394.924324390960
(2021-Jun-29.42432439)
0.00025999 TDB
period 1954.52512053397
5.35
7.163e-05
1.961e-07
d
yr
n .1841879627014716 6.7501e-09 deg/d
Q 3.359529974677082 8.208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5051 days (13.83 yr)  
   first obs. used      2007-02-08  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:44:41  

Additional Information
 Earth MOID = 1.8072 au 
 Jupiter MOID = 2.12029 au 
 T_jup = 3.157 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.86   n/a E2021B25  
diameter diameter 2.589 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442573 (2012 BP73)          Discovered 2007-Feb-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 BP73 = 2010 OU55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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