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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02197573565677812 3.2906e-08  
a 2.964690534748596 1.8559e-08 au
q 2.899539279252808 9.8563e-08 au
i 8.113080970604134 4.5015e-06 deg
node 296.3419605264558 2.6314e-05 deg
peri 119.5113677786793 0.00010842 deg
M 156.5902622968109 0.00010545 deg
tp 2457789.483429121643
(2017-Feb-04.98342912)
0.00054455 TDB
period 1864.521849786534
5.10
1.7508e-05
4.793e-08
d
yr
n .1930789923653701 1.8131e-09 deg/d
Q 3.029841790244383 1.8967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      10462 days (28.64 yr)  
   first obs. used      1990-09-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:50:23  

Additional Information
 Earth MOID = 1.92251 au 
 Jupiter MOID = 2.09159 au 
 T_jup = 3.249 
[ 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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