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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09868752799729984 1.1605e-07  
a 3.062227682804303 7.6287e-08 au
q 2.760024002623447 4.1381e-07 au
i 17.42663413085104 7.1791e-06 deg
node 144.3990510108856 1.6284e-05 deg
peri 244.5512084814696 4.3788e-05 deg
M 287.7977386950813 4.645e-05 deg
tp 2459393.057196053946
(2021-Jun-27.55719605)
0.00026179 TDB
period 1957.287597719508
5.36
7.3141e-05
2.002e-07
d
yr
n .1839280034367185 6.8731e-09 deg/d
Q 3.36443136298516 8.3816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2007-02-08  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:44:19  

Additional Information
 Earth MOID = 1.80893 au 
 Jupiter MOID = 2.12073 au 
 T_jup = 3.156 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458395.5 (2018-Oct-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010472402243553 1.1625e-07  
q 2.750484160198947 4.1451e-07 au
tp 2457435.285236268361
(2016-Feb-16.78523627)
0.00021293 TDB
node 144.6030077359639 1.6332e-05 deg
peri 244.2050784360389 4.2476e-05 deg
i 17.39992413475053 7.1733e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2007-02-08  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:44:19  

Additional Information
 Jupiter MOID = 2.12073 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.351492653002287E-14 -4.798074637245891E-14 -1.420473109141178E-11 6.208271755653767E-14 -2.533023513909882E-12 1.167217810892975E-15
q -4.798074637245891E-14 1.718209795650498E-13 4.988552078586166E-11 -2.206551030105273E-13 9.030387248254167E-12 -3.856513445685501E-16
tp -1.420473109141178E-11 4.988552078586166E-11 4.533890856861771E-8 -9.358361915168445E-11 8.335014440598181E-9 3.112114894188317E-11
node 6.208271755653767E-14 -2.206551030105273E-13 -9.358361915168445E-11 2.66729623726598E-10 -2.704991808560309E-10 -1.080284899652994E-12
peri -2.533023513909882E-12 9.030387248254167E-12 8.335014440598181E-9 -2.704991808560309E-10 1.80419427266193E-9 6.972656370092009E-12
i 1.167217810892975E-15 -3.856513445685501E-16 3.112114894188317E-11 -1.080284899652994E-12 6.972656370092009E-12 5.145557725859615E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO440833  
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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