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109516 (2001 QM238)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109516
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394073051880228 4.8572e-08  
a 3.207612130424566 2.4095e-08 au
q 2.760447567233665 1.571e-07 au
i 2.163824822760259 5.5573e-06 deg
node 48.98347527520789 0.0001342 deg
peri 298.3650958697792 0.00013576 deg
M 99.67480297448117 2.1858e-05 deg
tp 2458419.529497257997
(2018-Oct-28.02949726)
0.00012587 TDB
period 2098.317475888742
5.74
2.3644e-05
6.473e-08
d
yr
n .1715660304680645 1.9332e-09 deg/d
Q 3.654776693615467 2.7455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      6718 days (18.39 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:27:20  

Additional Information
 Earth MOID = 1.75458 au 
 Jupiter MOID = 1.76195 au 
 T_jup = 3.176 
[ 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 14.7   n/a MPO338040  
diameter diameter 5.713 km 1.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109516 (2001 QM238)          Discovered 2001-Aug-24 by LINEAR at Socorro
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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