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410837 (2009 QS31)
Classification: Main-belt Asteroid          SPK-ID: 2410837
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350744712216742 8.2633e-08  
a 2.851359163464262 5.7493e-08 au
q 2.181077415849825 2.2416e-07 au
i 6.703565936262076 9.4101e-06 deg
node 306.3956058065041 0.0001015 deg
peri 359.1507177521083 0.00012009 deg
M 99.05179908658207 6.0922e-05 deg
tp 2458516.621659711036
(2019-Feb-02.12165971)
0.00028689 TDB
period 1758.637441322603
4.81
5.319e-05
1.456e-07
d
yr
n .2047039324542403 6.1913e-09 deg/d
Q 3.521640911078698 7.1008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      3787 days (10.37 yr)  
   first obs. used      2009-06-23  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 01:13:20  

Additional Information
 Earth MOID = 1.16605 au 
 Jupiter MOID = 1.74576 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457276.5 (2015-Sep-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368627224512242 8.4261e-08  
q 2.173991537091751 2.2911e-07 au
tp 2456760.631556349543
(2014-Apr-13.13155635)
0.00025032 TDB
node 306.5336402868505 0.00010144 deg
peri 359.2369992828172 0.00011978 deg
i 6.708535714084135 9.4285e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      3787 days (10.37 yr)  
   first obs. used      2009-06-23  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 01:13:20  

Additional Information
 Jupiter MOID = 1.74576 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.099878668618929E-15 -1.901308995972033E-14 1.302149309958024E-11 2.368378670467362E-13 3.087458582063371E-12 -1.505839096680545E-15
q -1.901308995972033E-14 5.249271009432394E-14 -3.104030383457392E-11 -5.578921910370637E-13 -7.147304136493244E-12 6.426554938666405E-15
tp 1.302149309958024E-11 -3.104030383457392E-11 6.26593239769475E-8 9.641787904628959E-10 1.612154144735859E-8 -4.49229254551459E-12
node 2.368378670467362E-13 -5.578921910370637E-13 9.641787904628959E-10 1.028994143727199E-8 -9.957567043897563E-9 5.221802379265604E-10
peri 3.087458582063371E-12 -7.147304136493244E-12 1.612154144735859E-8 -9.957567043897563E-9 1.43480829632638E-8 -5.197681357812891E-10
i -1.505839096680545E-15 6.426554938666405E-15 -4.49229254551459E-12 5.221802379265604E-10 -5.197681357812891E-10 8.889722388768128E-11

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 MPO455920  

410837 (2009 QS31)          Discovered 2009-Jun-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09

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