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192721 (1999 TH145)
Classification: Main-belt Asteroid          SPK-ID: 2192721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738536745553213 4.4543e-08  
a 2.719989300273644 1.2225e-08 au
q 1.97511023564255 1.2211e-07 au
i 12.55944143637696 5.5872e-06 deg
node 186.0102404488805 1.8011e-05 deg
peri 237.3093895254482 1.9991e-05 deg
M 230.3795872179179 9.2678e-06 deg
tp 2459790.456675593628
(2022-Jul-29.95667559)
4.4189e-05 TDB
period 1638.51046802919
4.49
1.1047e-05
3.025e-08
d
yr
n .2197117485816311 1.4813e-09 deg/d
Q 3.464868364904739 1.5573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      10921 days (29.90 yr)  
   first obs. used      1990-09-25  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:18  

Additional Information
 Earth MOID = 1.01692 au 
 Jupiter MOID = 2.03579 au 
 T_jup = 3.270 
[ 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 15.71   n/a E2021B55  

192721 (1999 TH145)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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