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172970 (2005 QD32)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172970
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129639690661839 6.6501e-08  
a 3.212555651818841 3.4183e-08 au
q 2.796080930883104 2.2108e-07 au
i 6.228173842042215 7.0881e-06 deg
node 307.9063768435469 5.8958e-05 deg
peri 6.140549361613578 6.4279e-05 deg
M 220.7584013163303 2.9264e-05 deg
tp 2459813.968830285395
(2022-Aug-22.46883029)
0.00017658 TDB
period 2103.170185283773
5.76
3.3568e-05
9.19e-08
d
yr
n .171170170877744 2.732e-09 deg/d
Q 3.629030372754578 3.8614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7104 days (19.45 yr)  
   first obs. used      2000-11-05  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:22:57  

Additional Information
 Earth MOID = 1.78222 au 
 Jupiter MOID = 1.64847 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277533585581637 6.6339e-08  
q 2.803155108121281 2.1989e-07 au
tp 2457709.355300744417
(2016-Nov-16.85530074)
0.00016626 TDB
node 307.9412248370388 5.8954e-05 deg
peri 5.96643514178207 6.4437e-05 deg
i 6.22699194970574 7.0864e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7104 days (19.45 yr)  
   first obs. used      2000-11-05  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:22:57  

Additional Information
 Jupiter MOID = 1.64847 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.400815275735963E-15 -1.445906789885022E-14 3.818216792674014E-12 -1.559496143963674E-14 6.094923828203454E-13 -2.104191060059357E-15
q -1.445906789885022E-14 4.835311476171992E-14 -1.081801805622842E-11 7.034719962119175E-14 -1.813128322718733E-12 8.476574181320991E-15
tp 3.818216792674014E-12 -1.081801805622842E-11 2.764197838054121E-8 -2.605485144454451E-11 4.374387481031446E-9 -6.067718068670424E-12
node -1.559496143963674E-14 7.034719962119175E-14 -2.605485144454451E-11 3.475547184526592E-9 -3.458554842352445E-9 1.415210363356176E-10
peri 6.094923828203454E-13 -1.813128322718733E-12 4.374387481031446E-9 -3.458554842352445E-9 4.15212071533378E-9 -1.417353894769337E-10
i -2.104191060059357E-15 8.476574181320991E-15 -6.067718068670424E-12 1.415210363356176E-10 -1.417353894769337E-10 5.021710635674028E-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 14.8   n/a MPO325662  

172970 (2005 QD32)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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