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541080 (2018 QZ4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541080
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2121646842105492 7.6971e-08  
a 3.235699259279255 9.4293e-08 au
q 2.549198147733964 2.4527e-07 au
i 16.41325206264896 7.4934e-06 deg
node 250.407763670153 2.7233e-05 deg
peri 68.15952873268844 3.2544e-05 deg
M 147.8962748716102 1.649e-05 deg
tp 2458327.115690025918
(2018-Jul-27.61569003)
9.3348e-05 TDB
period 2125.938275751829
5.82
9.293e-05
2.544e-07
d
yr
n .1693369953898062 7.4021e-09 deg/d
Q 3.922200370824546 1.143e-07 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4814 days (13.18 yr)  
   first obs. used      2007-10-18  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:03  

Additional Information
 Earth MOID = 1.58773 au 
 Jupiter MOID = 1.584 au 
 T_jup = 3.087 
[ 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 15.88   .46733 MPCxxxxx autocmod 2.6n

541080 (2018 QZ4)          Discovered 2007-Oct-18 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 2018 QZ4 = 2013 WL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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