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117686 (2005 EU251)
Classification: Main-belt Asteroid          SPK-ID: 2117686
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031307831347869 4.4775e-08  
a 2.737478845084025 2.4568e-08 au
q 2.181412623467195 1.2662e-07 au
i 12.64967930324811 5.1907e-06 deg
node 104.467620130128 3.052e-05 deg
peri 174.5510076299649 3.4557e-05 deg
M 59.64803797840045 1.7324e-05 deg
tp 2458726.394186554820
(2019-Aug-30.89418655)
7.8867e-05 TDB
period 1654.339290690464
4.53
2.227e-05
6.097e-08
d
yr
n .2176095327154737 2.9294e-09 deg/d
Q 3.293545066700855 2.9558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7037 days (19.27 yr)  
   first obs. used      2000-02-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:59  

Additional Information
 Earth MOID = 1.16527 au 
 Jupiter MOID = 1.86713 au 
 T_jup = 3.287 
[ 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 14.7   n/a MPO348191  
diameter diameter 3.072 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117686 (2005 EU251)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EU251 = 2000 EO118 = 2004 BS38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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