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117556 (2005 EQ14)
Classification: Main-belt Asteroid          SPK-ID: 2117556
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869670986764974 3.6828e-08  
a 2.343788428715743 1.0617e-08 au
q 1.905577106287214 8.3597e-08 au
i 5.254254870440371 4.3659e-06 deg
node 359.2779289511219 4.5113e-05 deg
peri 209.1364676518527 4.6621e-05 deg
M 59.13817974189676 1.2379e-05 deg
tp 2458785.201260221639
(2019-Oct-28.70126022)
4.4577e-05 TDB
period 1310.617720370914
3.59
8.9055e-06
2.438e-08
d
yr
n .2746796372462577 1.8664e-09 deg/d
Q 2.781999751144272 1.2602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8676 days (23.75 yr)  
   first obs. used      1996-12-09  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:52  

Additional Information
 Earth MOID = .90314 au 
 Jupiter MOID = 2.18999 au 
 T_jup = 3.533 
[ 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 16.9   n/a MPO426742  
diameter diameter 2.903 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117556 (2005 EQ14)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EQ14 = 1998 HD68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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