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109262 (2001 QE108)
Classification: Main-belt Asteroid          SPK-ID: 2109262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .264883099623623 3.8002e-08  
a 3.052356568230443 1.4383e-08 au
q 2.243838899281039 1.1493e-07 au
i 3.481843337348697 4.2437e-06 deg
node 145.7471835666604 7.3193e-05 deg
peri 212.8645788442424 7.3591e-05 deg
M 123.1022160703583 8.5339e-06 deg
tp 2457934.437941439449
(2017-Jun-29.93794144)
4.3726e-05 TDB
period 1947.83123111896
5.33
1.3768e-05
3.769e-08
d
yr
n .184820940463714 1.3064e-09 deg/d
Q 3.860874237179847 1.8193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      6429 days (17.60 yr)  
   first obs. used      2001-08-18  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:18:26  

Additional Information
 Earth MOID = 1.24023 au 
 Jupiter MOID = 1.58801 au 
 T_jup = 3.179 
[ 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 14.2   n/a MPO338038  
diameter diameter 7.501 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109262 (2001 QE108)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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