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117546 (2005 ET5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117546
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06137805434163199 5.1396e-08  
a 3.204124698457276 3.385e-08 au
q 3.007461758598 1.6505e-07 au
i 7.100138563418431 5.1634e-06 deg
node 151.58208793 4.1206e-05 deg
peri 38.38890371754205 5.5154e-05 deg
M 224.7905112200509 3.8912e-05 deg
tp 2459787.305181571907
(2022-Jul-26.80518157)
0.00023184 TDB
period 2094.896356178599
5.74
3.3197e-05
9.089e-08
d
yr
n .1718462104047444 2.7232e-09 deg/d
Q 3.400787638316552 3.5927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:47:38  

Additional Information
 Earth MOID = 2.01267 au 
 Jupiter MOID = 1.56812 au 
 T_jup = 3.178 
[ 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 14.8   n/a MPO493670  
diameter diameter 7.558 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117546 (2005 ET5)          Discovered 2005-Mar-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 ET5 = 2000 OV35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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