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434481 (2005 QL181)
Classification: Main-belt Asteroid          SPK-ID: 2434481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343578444406548 5.6947e-08  
a 2.328366611352826 1.5565e-08 au
q 2.015532292383868 1.3602e-07 au
i 9.609828968485578 5.5473e-06 deg
node 175.6906430500762 3.4502e-05 deg
peri 177.8596063859198 4.279e-05 deg
M 54.09102444176006 2.2528e-05 deg
tp 2458805.516358415740
(2019-Nov-18.01635842)
8.1274e-05 TDB
period 1297.703485832699
3.55
1.3013e-05
3.563e-08
d
yr
n .2774131409294923 2.7817e-09 deg/d
Q 2.641200930321783 1.7656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2005-08-30  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:40:39  

Additional Information
 Earth MOID = 1.01054 au 
 Jupiter MOID = 2.79756 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457688.5 (2016-Oct-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355014978667728 5.707e-08  
q 2.012680006369164 1.3654e-07 au
tp 2457507.666046712915
(2016-Apr-29.16604671)
8.1792e-05 TDB
node 175.748242485887 3.447e-05 deg
peri 177.7696024345847 4.2601e-05 deg
i 9.615148963011093 5.5506e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2005-08-30  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:40:39  

Additional Information
 Jupiter MOID = 2.79756 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.257024306248799E-15 -7.755734483791628E-15 5.505657944455597E-13 -3.174831262431154E-14 3.485169186319461E-13 1.189509364852469E-15
q -7.755734483791628E-15 1.864208266931182E-14 -1.506750590894501E-12 7.576774380151575E-14 -8.837352180593679E-13 -2.824653824654574E-15
tp 5.505657944455597E-13 -1.506750590894501E-12 6.689904584848189E-9 -1.679558960324673E-11 2.061064472633549E-9 1.253999848148885E-11
node -3.174831262431154E-14 7.576774380151575E-14 -1.679558960324673E-11 1.1881519351684E-9 -1.177151252939597E-9 -3.946489496260338E-12
peri 3.485169186319461E-13 -8.837352180593679E-13 2.061064472633549E-9 -1.177151252939597E-9 1.814875086902914E-9 7.793504255536404E-12
i 1.189509364852469E-15 -2.824653824654574E-15 1.253999848148885E-11 -3.946489496260338E-12 7.793504255536404E-12 3.080875191454642E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO495162  

434481 (2005 QL181)          Discovered 2005-Aug-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 QL181 = 2012 QZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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