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434391 (2005 EY91)
Classification: Main-belt Asteroid          SPK-ID: 2434391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302014568272567 1.365e-07  
a 2.85625471799826 3.5914e-08 au
q 2.198740720845335 3.7716e-07 au
i 7.464533185375376 1.1168e-05 deg
node 19.39722732146315 7.2107e-05 deg
peri 203.9728314984185 8.2296e-05 deg
M 306.4797137762093 3.4462e-05 deg
tp 2458862.625791976263
(2020-Jan-14.12579198)
0.00017246 TDB
period 1763.168543547655
4.83
3.3255e-05
9.105e-08
d
yr
n .2041778713200312 3.851e-09 deg/d
Q 3.513768715151185 4.4182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5198 days (14.23 yr)  
   first obs. used      2005-03-03  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67379  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:14  

Additional Information
 Earth MOID = 1.19302 au 
 Jupiter MOID = 1.48766 au 
 T_jup = 3.252 
[ 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 16.6   n/a MPO434584  
diameter diameter 3.219 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

434391 (2005 EY91)          Discovered 2005-Mar-08 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-06-04

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