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79120 (1989 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2079120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753129698322148 3.9627e-08  
a 2.685289063182484 1.7743e-08 au
q 1.945994156339748 1.0655e-07 au
i 6.958920969853153 4.7834e-06 deg
node 54.24966523693928 4.2592e-05 deg
peri 343.3087491596118 4.366e-05 deg
M 336.6647459361629 1.3457e-05 deg
tp 2459104.682559874583
(2020-Sep-12.18255987)
6.0806e-05 TDB
period 1607.255762129145
4.40
1.593e-05
4.361e-08
d
yr
n .2239842646593503 2.22e-09 deg/d
Q 3.424583970025219 2.2628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      10429 days (28.55 yr)  
   first obs. used      1989-10-03  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56833  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:46:31  

Additional Information
 Earth MOID = .954917 au 
 Jupiter MOID = 2.00514 au 
 T_jup = 3.309 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO432340  
diameter diameter 5.746 km 1.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.050   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79120 (1989 TS4)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1989 TS4 = 1998 XG31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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