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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2672033279701811 3.8794e-08  
a 2.803450727700366 1.6632e-08 au
q 2.054359363458402 1.1154e-07 au
i 15.29601853254862 4.0672e-06 deg
node 132.2289327892432 1.693e-05 deg
peri 264.0694215236424 1.8364e-05 deg
M 262.8536139292066 9.1381e-06 deg
tp 2459463.160013829590
(2021-Sep-05.66001383)
4.61e-05 TDB
period 1714.501297632184
4.69
1.5258e-05
4.177e-08
d
yr
n .2099735943607501 1.8686e-09 deg/d
Q 3.55254209194233 2.1076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1997-07-16  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:51  

Additional Information
 Earth MOID = 1.12571 au 
 Jupiter MOID = 2.17056 au 
 T_jup = 3.221 
[ 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 14.4   n/a MPO436370  
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

[ show close-approach data ]
Alternate Designations
 2004 BW42 = 2002 PC129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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