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85137 (1981 DS3)
Classification: Main-belt Asteroid          SPK-ID: 2085137
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06823566568735341 5.6117e-08  
a 3.0298099626126 3.5864e-08 au
q 2.823068862907554 1.6898e-07 au
i 9.845126734869631 7.1358e-06 deg
node 296.3374750787212 3.0413e-05 deg
peri 145.1121660568926 5.7154e-05 deg
M 182.0523564650156 4.8157e-05 deg
tp 2459552.662890469097
(2021-Dec-04.16289047)
0.00026161 TDB
period 1926.289293634195
5.27
3.4202e-05
9.364e-08
d
yr
n .1868878164820265 3.3183e-09 deg/d
Q 3.236551062317647 3.8311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      13590 days (37.21 yr)  
   first obs. used      1981-02-28  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5536  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:04:54  

Additional Information
 Earth MOID = 1.84559 au 
 Jupiter MOID = 1.93371 au 
 T_jup = 3.218 
[ 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 14.8   n/a MPO439613  
diameter diameter 3.513 km 1.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85137 (1981 DS3)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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