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186122 (2001 TH145)
Classification: Main-belt Asteroid          SPK-ID: 2186122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168570987706436 1.1959e-07  
a 2.553932749604093 1.6277e-08 au
q 2.255487578030026 3.1578e-07 au
i 9.13831059656089 7.9882e-06 deg
node 165.0766568290103 2.4525e-05 deg
peri 150.6891534882028 5.9321e-05 deg
M 351.9636148005054 4.3866e-05 deg
tp 2459429.779045159561
(2021-Aug-03.27904516)
0.00018147 TDB
period 1490.776755971757
4.08
1.4251e-05
3.902e-08
d
yr
n .2414848491284233 2.3085e-09 deg/d
Q 2.85237792117816 1.8179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      2000-04-06  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55386  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:12:50  

Additional Information
 Earth MOID = 1.24673 au 
 Jupiter MOID = 2.456 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457505.5 (2016-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155489581223402 1.1947e-07  
q 2.258885329995172 3.1451e-07 au
tp 2457939.214359287846
(2017-Jul-04.71435929)
0.00019237 TDB
node 165.1065888178329 2.4531e-05 deg
peri 150.5248951657869 5.9874e-05 deg
i 9.136231727755167 7.9869e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      2000-04-06  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55386  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:12:50  

Additional Information
 Jupiter MOID = 2.456 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.427365079105831E-14 -3.755529962484059E-14 2.093842868065882E-11 -2.081091858546672E-13 6.056725780121039E-12 -2.942483729143828E-14
q -3.755529962484059E-14 9.891718902490038E-14 -5.505129343324636E-11 5.453499154396796E-13 -1.593465143023737E-11 7.706944582872215E-14
tp 2.093842868065882E-11 -5.505129343324636E-11 3.700469680505621E-8 -3.231385288398553E-10 1.051163631553805E-8 -4.252974991626029E-11
node -2.081091858546672E-13 5.453499154396796E-13 -3.231385288398553E-10 6.017790523116973E-10 -6.831768097190842E-10 6.98225753982354E-11
peri 6.056725780121039E-12 -1.593465143023737E-11 1.051163631553805E-8 -6.831768097190842E-10 3.58486923302933E-9 -8.074919130841599E-11
i -2.942483729143828E-14 7.706944582872215E-14 -4.252974991626029E-11 6.98225753982354E-11 -8.074919130841599E-11 6.379014840384055E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.38   n/a E2021B55  

186122 (2001 TH145)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 TH145 = 2000 GZ121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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