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357040 (2000 QK87)
Classification: Main-belt Asteroid          SPK-ID: 2357040
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18553596429326 6.0984e-08  
a 2.296800615345209 1.583e-08 au
q 1.870661498387783 1.4407e-07 au
i 5.883231339992538 7.068e-06 deg
node 314.064987939474 4.9945e-05 deg
peri 356.6504349230435 5.215e-05 deg
M 260.102473245958 1.7332e-05 deg
tp 2459353.305710536630
(2021-May-18.80571054)
6.3101e-05 TDB
period 1271.403406271497
3.48
1.3144e-05
3.599e-08
d
yr
n .283151671785851 2.9273e-09 deg/d
Q 2.722939732302636 1.8767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-08-25  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:27:30  

Additional Information
 Earth MOID = .856342 au 
 Jupiter MOID = 2.54361 au 
 T_jup = 3.564 
[ 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 16.9   n/a MPO413354  
diameter diameter 1.559 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.152   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

357040 (2000 QK87)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2000 QK87 = 2007 PP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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