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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345159419503902 4.8766e-08  
a 2.328715881463657 1.4538e-08 au
q 2.01546647113374 1.1458e-07 au
i 9.610750604274683 5.2231e-06 deg
node 175.6802394855005 3.3454e-05 deg
peri 177.95953775206 3.9996e-05 deg
M 163.8155252975272 2.118e-05 deg
tp 2458805.856073689983
(2019-Nov-18.35607369)
7.5613e-05 TDB
period 1297.995492706915
3.55
1.2155e-05
3.328e-08
d
yr
n .2773507319730634 2.5973e-09 deg/d
Q 2.641965291793575 1.6494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5639 days (15.44 yr)  
   first obs. used      2005-08-30  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:16:17  

Additional Information
 Earth MOID = 1.00966 au 
 Jupiter MOID = 2.79775 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457868.5 (2017-Apr-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354644526151926 4.8829e-08  
q 2.012484745002086 1.1479e-07 au
tp 2457507.515873227527
(2016-Apr-29.01587323)
7.4414e-05 TDB
node 175.7480025786161 3.3432e-05 deg
peri 177.7156189868563 3.9867e-05 deg
i 9.615146721177288 5.2254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5639 days (15.44 yr)  
   first obs. used      2005-08-30  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:16:17  

Additional Information
 Jupiter MOID = 2.79775 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.384262149631784E-15 -5.571609585712867E-15 -4.49197694607994E-13 -1.271755877150724E-14 -3.859583804195051E-14 1.570347711684781E-15
q -5.571609585712867E-15 1.317664145166936E-14 9.935390154376989E-13 2.924257982132677E-14 8.342882673700605E-14 -3.530757312804755E-15
tp -4.49197694607994E-13 9.935390154376989E-13 5.537424975798446E-9 -1.870739796903142E-11 1.639171894933186E-9 7.644475910331277E-12
node -1.271755877150724E-14 2.924257982132677E-14 -1.870739796903142E-11 1.117721674390171E-9 -1.1071317601634E-9 -1.952769880706142E-11
peri -3.859583804195051E-14 8.342882673700605E-14 1.639171894933186E-9 -1.1071317601634E-9 1.589370891872646E-9 2.164252254904025E-11
i 1.570347711684781E-15 -3.530757312804755E-15 7.644475910331277E-12 -1.952769880706142E-11 2.164252254904025E-11 2.730443298386875E-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 17.98   n/a MPCxxxxx  

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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