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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .284163456812436 4.6499e-08  
a 2.543668227146942 1.2729e-08 au
q 1.820850670736906 1.1953e-07 au
i 11.78233488719601 2.6926e-06 deg
node 144.5120278329224 2.3977e-05 deg
peri 221.3272619747115 2.5169e-05 deg
M 71.32972308181445 7.306e-06 deg
tp 2458706.899249089340
(2019-Aug-11.39924909)
3.0462e-05 TDB
period 1481.798411114045
4.06
1.1123e-05
3.045e-08
d
yr
n .2429480267355295 1.8237e-09 deg/d
Q 3.266485783556978 1.6347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1998-05-26  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:24  

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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