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100170 (1993 UE8)
Classification: Main-belt Asteroid          SPK-ID: 2100170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125676039947331 5.7485e-08  
a 3.021583114965235 2.5659e-08 au
q 2.379292431946133 1.8341e-07 au
i 6.125947383283326 4.0842e-06 deg
node 100.5605387216476 6.4587e-05 deg
peri 313.5861127618647 6.609e-05 deg
M 6.9288828532701 1.4531e-05 deg
tp 2458963.575811256208
(2020-Apr-24.07581126)
7.7182e-05 TDB
period 1918.448937477931
5.25
2.4437e-05
6.69e-08
d
yr
n .1876515934134115 2.3903e-09 deg/d
Q 3.663873797984337 3.1114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:51:58  

Additional Information
 Earth MOID = 1.39599 au 
 Jupiter MOID = 1.71864 au 
 T_jup = 3.203 
[ 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 15.1   n/a MPO493563  
diameter diameter 5.823 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100170 (1993 UE8)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1993 UE8 = 2003 QU95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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