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82809 (2001 QK33)
Classification: Main-belt Asteroid          SPK-ID: 2082809
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04269376148006345 3.9171e-08  
a 3.163783550208752 2.7852e-08 au
q 3.028709729941592 1.2105e-07 au
i 12.33763495048791 6.4728e-06 deg
node 203.6152716641926 1.9938e-05 deg
peri 77.99249294851303 8.2697e-05 deg
M 177.0083821248472 8.2192e-05 deg
tp 2457989.852038909320
(2017-Aug-24.35203891)
0.00046504 TDB
period 2055.457835527961
5.63
2.7142e-05
7.431e-08
d
yr
n .1751434613629674 2.3128e-09 deg/d
Q 3.298857370475913 2.9041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      7261 days (19.88 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:10:23  

Additional Information
 Earth MOID = 2.04446 au 
 Jupiter MOID = 1.76066 au 
 T_jup = 3.167 
[ 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 14.6   n/a MPO453254  
diameter diameter 6.951 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

82809 (2001 QK33)          Discovered 2001-Aug-17 by Kusnirak, P., Babiakova, U. at Ondrejov
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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