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190885 (2001 TQ189)
Classification: Main-belt Asteroid          SPK-ID: 2190885
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442079378805047 5.818e-08  
a 2.396918034814411 1.1022e-08 au
q 1.811571624263792 1.3975e-07 au
i 4.362406751475197 6.1606e-06 deg
node 339.6599458372567 6.3099e-05 deg
peri 46.71581289666085 6.5055e-05 deg
M 119.7447073014057 1.4475e-05 deg
tp 2458945.650048239510
(2020-Apr-06.15004824)
5.2565e-05 TDB
period 1355.43345749087
3.71
9.3494e-06
2.56e-08
d
yr
n .2655976934982993 1.832e-09 deg/d
Q 2.98226444536503 1.3714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2001-09-23  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:52:23  

Additional Information
 Earth MOID = .818208 au 
 Jupiter MOID = 2.49286 au 
 T_jup = 3.483 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.56   n/a MPCxxxxx  
diameter diameter 2.584 km 0.478 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.061   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

190885 (2001 TQ189)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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