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34221 (2000 QW84)
Classification: Main-belt Asteroid          SPK-ID: 2034221
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02013575768676722 3.1917e-08  
a 2.969095179149029 1.8144e-08 au
q 2.909310198072735 9.5319e-08 au
i 8.118569168919862 4.2466e-06 deg
node 296.3042846246781 2.5588e-05 deg
peri 120.4846025515096 0.00011271 deg
M 232.7011760684279 0.00011066 deg
tp 2459661.279402997427
(2022-Mar-22.77940300)
0.00057617 TDB
period 1868.678576378236
5.12
1.7129e-05
4.69e-08
d
yr
n .1926495035319188 1.7659e-09 deg/d
Q 3.028880160225322 1.8509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53373  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:20:03  

Additional Information
 Earth MOID = 1.93257 au 
 Jupiter MOID = 2.08425 au 
 T_jup = 3.248 
[ 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 13.7   n/a MPO439329  
diameter diameter 5.457 km 0.567 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.410   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34221 (2000 QW84)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QW84 = 2001 SJ108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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