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135927 (2002 TH180)
Classification: Main-belt Asteroid          SPK-ID: 2135927
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .253570670035261 2.9866e-08  
a 2.670863546093706 1.1716e-08 au
q 1.993610887137972 8.0908e-08 au
i 11.9355898931009 5.2312e-06 deg
node 313.542850832026 1.847e-05 deg
peri 108.4819811385637 2.2396e-05 deg
M 48.47944308571122 1.1667e-05 deg
tp 2458985.800467330142
(2020-May-16.30046733)
5.0962e-05 TDB
period 1594.321775200624
4.37
1.0491e-05
2.872e-08
d
yr
n .2258013442453916 1.4858e-09 deg/d
Q 3.348116205049439 1.4687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:22:06  

Additional Information
 Earth MOID = 1.04325 au 
 Jupiter MOID = 2.11368 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457540.5 (2016-Jun-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2510280097709485 2.9756e-08  
q 2.001253638912183 8.0429e-08 au
tp 2457387.639850556873
(2015-Dec-31.13985056)
4.8091e-05 TDB
node 313.8722587896906 1.8444e-05 deg
peri 107.6815011231732 2.2543e-05 deg
i 11.93365914135398 5.2349e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:22:06  

Additional Information
 Jupiter MOID = 2.11368 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.854178825597093E-16 -2.378692080130359E-15 -2.000432510202256E-13 -1.600990217381991E-15 -6.643579664593094E-14 -1.895845038873507E-15
q -2.378692080130359E-15 6.468874915631787E-15 6.764566250322953E-13 3.843735383783801E-15 2.167588382997478E-13 6.179066934636651E-15
tp -2.000432510202256E-13 6.764566250322953E-13 2.312699401081794E-9 -4.343821082927644E-12 6.345204972117668E-10 7.073400686837918E-12
node -1.600990217381991E-15 3.843735383783801E-15 -4.343821082927644E-12 3.40164384934449E-10 -3.334396496552847E-10 2.362594055046994E-11
peri -6.643579664593094E-14 2.167588382997478E-13 6.345204972117668E-10 -3.334396496552847E-10 5.081839387918643E-10 -2.132676367622771E-11
i -1.895845038873507E-15 6.179066934636651E-15 7.073400686837918E-12 2.362594055046994E-11 -2.132676367622771E-11 2.740424224888697E-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 14.66   n/a MPCxxxxx  
rotation period rot_per 4.755 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

135927 (2002 TH180)          Discovered 2002-Oct-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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