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357718 (2005 QK81)
Classification: Main-belt Asteroid          SPK-ID: 2357718
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687687428383332 7.6515e-08  
a 3.059334595461319 3.2555e-08 au
q 2.543014541863492 2.3679e-07 au
i 13.11861440015012 8.8788e-06 deg
node 165.4288163700632 3.698e-05 deg
peri 187.7241593773168 4.7087e-05 deg
M 262.8865968123415 2.8704e-05 deg
tp 2459527.748759209775
(2021-Nov-09.24875921)
0.00016012 TDB
period 1954.514486004963
5.35
3.1198e-05
8.542e-08
d
yr
n .184188964869655 2.94e-09 deg/d
Q 3.575654649059146 3.8049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:33  

Additional Information
 Earth MOID = 1.53809 au 
 Jupiter MOID = 1.86403 au 
 T_jup = 3.173 
[ 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 MPO292018  

357718 (2005 QK81)          Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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