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JPL Small-Body Database Browser
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185015 (2006 QS21)
Classification: Main-belt Asteroid          SPK-ID: 2185015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365310039371481 7.3601e-08  
a 2.26738517061736 1.8223e-08 au
q 1.95781679696077 1.7603e-07 au
i 5.677582060739359 7.7518e-06 deg
node 320.2749152518903 6.5739e-05 deg
peri 344.6232057074183 7.1547e-05 deg
M 26.51515326661101 3.1355e-05 deg
tp 2458908.650241073108
(2020-Feb-29.15024107)
0.00010823 TDB
period 1247.057215970123
3.41
1.5034e-05
4.116e-08
d
yr
n .2886796174143023 3.4803e-09 deg/d
Q 2.57695354427395 2.0711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:59:37  

Additional Information
 Earth MOID = .943489 au 
 Jupiter MOID = 2.64573 au 
 T_jup = 3.596 
[ 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 17.4   n/a MPO469995  

185015 (2006 QS21)          Discovered 2006-Aug-19 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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