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150728 (2001 QK39)
Classification: Main-belt Asteroid          SPK-ID: 2150728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897706052273967 6.3101e-08  
a 2.376017846420143 1.1069e-08 au
q 1.925119501673897 1.4895e-07 au
i 1.824824242116441 5.4157e-06 deg
node 144.0524382538943 0.00018325 deg
peri 223.5370906424456 0.00018374 deg
M 62.51012459075066 1.3495e-05 deg
tp 2458968.215175250600
(2020-Apr-28.71517525)
4.9517e-05 TDB
period 1337.74388480674
3.66
9.3482e-06
2.559e-08
d
yr
n .269109808004847 1.8805e-09 deg/d
Q 2.826916191166389 1.317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      10563 days (28.92 yr)  
   first obs. used      1992-02-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59099  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:19:47  

Additional Information
 Earth MOID = .922862 au 
 Jupiter MOID = 2.63498 au 
 T_jup = 3.516 
[ 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 16.8   n/a MPO436761  

150728 (2001 QK39)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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