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305502 (2008 EU100)
Classification: Main-belt Asteroid          SPK-ID: 2305502
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06250023204547503 6.7107e-08  
a 3.18589832966619 5.4293e-08 au
q 2.986778944788762 2.2493e-07 au
i 14.75040036358666 1.0462e-05 deg
node 44.04684647750485 2.3507e-05 deg
peri 41.17122348303854 8.7473e-05 deg
M 147.5847019490398 8.8871e-05 deg
tp 2458148.999049699882
(2018-Jan-30.49904970)
0.00050288 TDB
period 2077.046862308867
5.69
5.3094e-05
1.454e-07
d
yr
n .1733230032180498 4.4305e-09 deg/d
Q 3.385017714543618 5.7686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7066 days (19.35 yr)  
   first obs. used      2000-12-19  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 2.01647 au 
 Jupiter MOID = 1.88954 au 
 T_jup = 3.144 
[ 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 15.1   n/a MPO471208  
diameter diameter 6.435 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305502 (2008 EU100)          Discovered 2008-Mar-08 by Tucker, R. A. at Goodricke-Pigott
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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