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74425 (1999 BP)
Classification: Main-belt Asteroid          SPK-ID: 2074425
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126826195600887 4.665e-08  
a 3.066856668429748 2.1432e-08 au
q 2.677898904719592 1.5048e-07 au
i 12.0838188924117 4.1807e-06 deg
node 118.4767861222821 2.7548e-05 deg
peri 332.7727259505677 3.7202e-05 deg
M 8.514109083969219 2.3119e-05 deg
tp 2458954.104553851419
(2020-Apr-14.60455385)
0.00012596 TDB
period 1961.727345605348
5.37
2.0563e-05
5.63e-08
d
yr
n .1835117407148706 1.9236e-09 deg/d
Q 3.455814432139903 2.415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:54  

Additional Information
 Earth MOID = 1.70072 au 
 Jupiter MOID = 1.72497 au 
 T_jup = 3.186 
[ 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 14.6   n/a MPO337818  
diameter diameter 3.987 km 1.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74425 (1999 BP)          Discovered 1999-Jan-16 by Visnjan at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BP = 2000 HC73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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