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115436 (2003 TU4)
Classification: Main-belt Asteroid          SPK-ID: 2115436
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 .1433236557938277 4.0478e-08  
a 2.660369808213851 1.4116e-08 au
q 2.279075881537118 1.1017e-07 au
i 6.259446091102023 3.587e-06 deg
node 290.2823987472333 4.056e-05 deg
peri 210.8889255853447 4.238e-05 deg
M 241.7597535344496 1.3497e-05 deg
tp 2459721.064164608641
(2022-May-21.56416461)
6.1007e-05 TDB
period 1584.934951177654
4.34
1.2615e-05
3.454e-08
d
yr
n .2271386593705371 1.8078e-09 deg/d
Q 3.041663734890585 1.6139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      7671 days (21.00 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:33  

Additional Information
 Earth MOID = 1.29484 au 
 Jupiter MOID = 2.00825 au 
 T_jup = 3.363 
[ 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 15.21   n/a E2021B55  
diameter diameter 4.461 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115436 (2003 TU4)          Discovered 2003-Oct-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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