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85016 (2004 BW42)
Classification: Main-belt Asteroid          SPK-ID: 2085016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659789598390603 3.8446e-08  
a 2.801683163276951 1.6859e-08 au
q 2.05649438970994 1.1038e-07 au
i 15.30396541275922 4.03e-06 deg
node 132.2153799424285 1.6679e-05 deg
peri 264.0889826453248 1.8128e-05 deg
M 345.9088355162086 9.6001e-06 deg
tp 2459463.545763509246
(2021-Sep-06.04576351)
4.6063e-05 TDB
period 1712.880073970609
4.69
1.5461e-05
4.233e-08
d
yr
n .2101723322436041 1.897e-09 deg/d
Q 3.546871936843963 2.1343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8787 days (24.06 yr)  
   first obs. used      1997-07-16  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:37  

Additional Information
 Earth MOID = 1.12726 au 
 Jupiter MOID = 2.1773 au 
 T_jup = 3.222 
[ 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 14.43   n/a E2021B10  
diameter diameter 7.095 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

85016 (2004 BW42)          Discovered 2004-Jan-19 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2004 BW42 = 2002 PC129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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