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JPL Small-Body Database Browser
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117607 (2005 EZ89)
Classification: Main-belt Asteroid          SPK-ID: 2117607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2841634576624197 4.6674e-08  
a 2.543668226802562 1.2861e-08 au
q 1.82085066832831 1.2009e-07 au
i 11.78233485629264 2.7441e-06 deg
node 144.5120276752578 2.4238e-05 deg
peri 221.3272622556055 2.5433e-05 deg
M 71.32972304767921 7.3074e-06 deg
tp 2458706.899249289469
(2019-Aug-11.39924929)
3.047e-05 TDB
period 1481.798410813121
4.06
1.1238e-05
3.077e-08
d
yr
n .2429480267848674 1.8425e-09 deg/d
Q 3.266485785276815 1.6515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1341  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-05-26  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:48:08  

Additional Information
 Earth MOID = .835068 au 
 Jupiter MOID = 2.23104 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO449687  
diameter diameter 6.623 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.435 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.077   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117607 (2005 EZ89)          Discovered 2005-Mar-08 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EZ89 = 2000 AW175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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