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175993 (2000 QB145)
Classification: Main-belt Asteroid          SPK-ID: 2175993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .266068266057212 6.4933e-08  
a 3.082213821520839 2.5348e-08 au
q 2.262134534411216 2.0819e-07 au
i 18.15091439849002 6.0675e-06 deg
node 160.76467815731 1.6881e-05 deg
peri 221.2044045990869 1.9339e-05 deg
M 291.3535312980886 1.4783e-05 deg
tp 2459773.384496564153
(2022-Jul-12.88449656)
8.468e-05 TDB
period 1976.480674515993
5.41
2.4382e-05
6.675e-08
d
yr
n .1821419276402275 2.2469e-09 deg/d
Q 3.902293108630462 3.2092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1997-03-03  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:41  

Additional Information
 Earth MOID = 1.29193 au 
 Jupiter MOID = 1.68996 au 
 T_jup = 3.098 
[ 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 15.29   n/a MPCxxxxx  

175993 (2000 QB145)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 2000 QB145 = 1997 ER1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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