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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 | 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440981455673126 5.8239e-08  
a 2.396958850110215 1.1005e-08 au
q 1.811865639797154 1.3992e-07 au
i 4.362237647112344 6.1619e-06 deg
node 339.6606533191579 6.334e-05 deg
peri 46.71772252715982 6.5294e-05 deg
M 67.69808904325663 1.4258e-05 deg
tp 2458945.603892553105
(2020-Apr-06.10389255)
5.2603e-05 TDB
period 1355.468078607789
3.71
9.3349e-06
2.556e-08
d
yr
n .2655909096507521 1.8291e-09 deg/d
Q 2.982052060423276 1.3691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      7103 days (19.45 yr)  
   first obs. used      2001-09-23  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:31  

Additional Information
 Earth MOID = .817977 au 
 Jupiter MOID = 2.49206 au 
 T_jup = 3.483 
[ 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 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2120-Jan-01 15:09 00:02 Hebe 0.0472713197266491 0.0472701323460577 0.0472725085234061 7.20422587679762 7.20422585854301 2495374.130951798 1.87920074731006 965.69126147746 53.6678568256845 88.5100011201822 131696.053223012 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:32 2021-Apr-13 22:09
2181-Nov-08 21:57 00:03 Iris 0.0457580350472562 0.0457492971633304 0.0457667811156883 2.22397615679251 2.22397610030199 2517966.414796554 2.9929071394421 1061.50131805741 45.1278794612227 -65.9329168447289 138282.756373916 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:32 2021-Apr-13 22:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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