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181080 (2005 QP31)
Classification: Main-belt Asteroid          SPK-ID: 2181080
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648740480471959 4.5357e-08  
a 2.469238571451463 1.4302e-08 au
q 1.815201355436838 1.097e-07 au
i 11.34735342903884 5.0756e-06 deg
node 327.4868695114335 2.2875e-05 deg
peri 350.5734850401336 2.5308e-05 deg
M 340.6271784312326 1.4987e-05 deg
tp 2459276.766423924102
(2021-Mar-03.26642392)
5.9472e-05 TDB
period 1417.238708115746
3.88
1.2313e-05
3.371e-08
d
yr
n .2540150773038291 2.2068e-09 deg/d
Q 3.123275787466087 1.809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      15219 days (41.67 yr)  
   first obs. used      1978-09-26  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:08  

Additional Information
 Earth MOID = .801333 au 
 Jupiter MOID = 2.20929 au 
 T_jup = 3.410 
[ 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 15.64   n/a E2021B55  

181080 (2005 QP31)          Discovered 2005-Aug-22 by Siding Spring Survey at Siding Spring
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 QP31 = 1978 SG2 = 2000 DT49 = 2004 FF48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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