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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 ]

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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 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 
[ 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 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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