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191211 (2002 QC58)
Classification: Main-belt Asteroid          SPK-ID: 2191211
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02262431770723917 5.25e-08  
a 3.178361336738579 3.1887e-08 au
q 3.106453080067801 1.7314e-07 au
i 5.886516922743644 6.8466e-06 deg
node 319.0403649781771 4.199e-05 deg
peri 154.6226709327215 0.00014521 deg
M 268.0644125115783 0.00014144 deg
tp 2459529.048062771620
(2021-Nov-10.54806277)
0.00081685 TDB
period 2069.680607868487
5.67
3.1146e-05
8.527e-08
d
yr
n .1739398816567911 2.6176e-09 deg/d
Q 3.250269593409358 3.2608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:27:44  

Additional Information
 Earth MOID = 2.12367 au 
 Jupiter MOID = 1.77803 au 
 T_jup = 3.192 
[ 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 14.9   n/a MPO454322  
diameter diameter 4.151 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

191211 (2002 QC58)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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