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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2376735951461418 6.0693e-08  
a 3.067993858213361 2.5507e-08 au
q 2.338812728045509 1.9723e-07 au
i .7576787129408159 6.1337e-06 deg
node 12.18888087698235 0.00031648 deg
peri 343.5080496805776 0.00031662 deg
M 308.8908487843711 1.0036e-05 deg
tp 2459279.161084814588
(2021-Mar-05.66108481)
5.6946e-05 TDB
period 1962.818558852824
5.37
2.4478e-05
6.702e-08
d
yr
n .1834097188333104 2.2872e-09 deg/d
Q 3.797174988381212 3.1569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      15210 days (41.64 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:59  

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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