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85436 (1997 EU16)
Classification: Main-belt Asteroid          SPK-ID: 2085436
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2376735976871827 6.1069e-08  
a 3.067993859131865 2.5687e-08 au
q 2.338812720949811 1.9809e-07 au
i .7576789086489897 6.2551e-06 deg
node 12.18887961167702 0.00031649 deg
peri 343.5080509929938 0.00031662 deg
M 308.8908483982957 1.0104e-05 deg
tp 2459279.161087044717
(2021-Mar-05.66108704)
5.735e-05 TDB
period 1962.818559734275
5.37
2.4651e-05
6.749e-08
d
yr
n .1834097187509458 2.3034e-09 deg/d
Q 3.797174997313919 3.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      14793 days (40.50 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:32:34  

Additional Information
 Earth MOID = 1.33441 au 
 Jupiter MOID = 1.65108 au 
 T_jup = 3.188 
[ 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 15.3   n/a MPO436373  
diameter diameter 4.663 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85436 (1997 EU16)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 EU16 = 1978 WM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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