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135946 (2002 TU211)
Classification: Main-belt Asteroid          SPK-ID: 2135946
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519161241280031 4.2757e-08  
a 2.583164283931072 1.394e-08 au
q 2.190739977930375 1.1129e-07 au
i 14.42905623845506 4.43e-06 deg
node 119.6369742252501 1.8667e-05 deg
peri 162.7977944383661 2.4068e-05 deg
M 247.323870073403 1.8076e-05 deg
tp 2459871.130769042128
(2022-Oct-18.63076904)
7.788e-05 TDB
period 1516.444316702016
4.15
1.2275e-05
3.361e-08
d
yr
n .2373974408654405 1.9216e-09 deg/d
Q 2.975588589931768 1.6058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      10654 days (29.17 yr)  
   first obs. used      1992-01-31  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:17:24  

Additional Information
 Earth MOID = 1.17776 au 
 Jupiter MOID = 2.22315 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457820.5 (2017-Mar-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528607948537868 4.2636e-08  
q 2.187279749451646 1.1111e-07 au
tp 2458354.357719402937
(2018-Aug-23.85771940)
7.2578e-05 TDB
node 119.6968553312812 1.8674e-05 deg
peri 162.718120263002 2.4037e-05 deg
i 14.42917606745828 4.4293e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      10654 days (29.17 yr)  
   first obs. used      1992-01-31  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:17:24  

Additional Information
 Jupiter MOID = 2.22315 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.817861469031782E-15 -4.71062584469269E-15 -4.003908122218194E-13 -5.766122234995161E-15 -1.243589769265609E-13 5.751420559380518E-15
q -4.71062584469269E-15 1.234458648382711E-14 1.322425311582117E-12 1.680267396726114E-14 3.692948360728817E-13 -1.504967720856001E-14
tp -4.003908122218194E-13 1.322425311582117E-12 5.267636672445233E-9 9.545967411681781E-12 1.123004720398684E-9 -1.236952117725965E-11
node -5.766122234995161E-15 1.680267396726114E-14 9.545967411681781E-12 3.487230818324331E-10 -3.352625569599701E-10 -2.258839810763449E-11
peri -1.243589769265609E-13 3.692948360728817E-13 1.123004720398684E-9 -3.352625569599701E-10 5.777540512331629E-10 1.903609846686065E-11
i 5.751420559380518E-15 -1.504967720856001E-14 -1.236952117725965E-11 -2.258839810763449E-11 1.903609846686065E-11 1.961907333678468E-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 15.53   n/a MPCxxxxx  
diameter diameter 2.053 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135946 (2002 TU211)          Discovered 2002-Oct-06 by NEAT at Haleakala
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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