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109065 (2001 QU20)
Classification: Main-belt Asteroid          SPK-ID: 2109065
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197187446654003 5.7542e-08  
a 2.678898289525793 1.7005e-08 au
q 2.358183949217477 1.5126e-07 au
i 13.55728369184919 7.374e-06 deg
node 343.0823622566594 1.7644e-05 deg
peri 319.5476913968029 3.1275e-05 deg
M 47.46666485055436 2.7005e-05 deg
tp 2458389.336436920946
(2018-Sep-27.83643692)
0.00011928 TDB
period 1601.521466650326
4.38
1.5249e-05
4.175e-08
d
yr
n .2247862470135731 2.1403e-09 deg/d
Q 2.999612629834109 1.9041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2000-05-07  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:13:02  

Additional Information
 Earth MOID = 1.35969 au 
 Jupiter MOID = 2.34945 au 
 T_jup = 3.327 
[ 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 MPO453549  
diameter diameter 2.590 km 0.535 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109065 (2001 QU20)          Discovered 2001-Aug-16 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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