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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04262136342773899 3.6522e-08  
a 3.163912099321183 2.6205e-08 au
q 3.029061851882594 1.1565e-07 au
i 12.33762437835879 5.4557e-06 deg
node 203.6040336380785 1.9825e-05 deg
peri 78.18037824500671 7.9631e-05 deg
M 211.8418291443363 8.0095e-05 deg
tp 2460046.476204970865
(2023-Apr-11.97620497)
0.00046222 TDB
period 2055.583111148197
5.63
2.5538e-05
6.992e-08
d
yr
n .1751327874059605 2.1758e-09 deg/d
Q 3.298762346759772 2.7321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      2000-05-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:59:40  

Additional Information
 Earth MOID = 2.04315 au 
 Jupiter MOID = 1.75986 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 14.63   n/a MPCxxxxx  
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

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