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109319 (2001 QC138)
Classification: Main-belt Asteroid          SPK-ID: 2109319
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 .1002787076514067 3.8808e-08  
a 2.727086676088196 1.4445e-08 au
q 2.453617948556702 1.0586e-07 au
i 12.68607433637256 5.0039e-06 deg
node 349.2807256697008 1.6958e-05 deg
peri 52.26750327178542 3.1349e-05 deg
M 41.53925976996495 2.3967e-05 deg
tp 2458810.696991709780
(2019-Nov-23.19699171)
0.00010953 TDB
period 1644.927795123707
4.50
1.3069e-05
3.578e-08
d
yr
n .2188545911055787 1.7388e-09 deg/d
Q 3.00055540361969 1.5893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      8513 days (23.31 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:23:30  

Additional Information
 Earth MOID = 1.48056 au 
 Jupiter MOID = 2.40416 au 
 T_jup = 3.313 
[ 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 MPO502755  
diameter diameter 2.882 km 0.402 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109319 (2001 QC138)          Discovered 2001-Aug-22 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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