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123154 (2000 TH39)
Classification: Main-belt Asteroid          SPK-ID: 2123154
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703395612437607 5.4725e-08  
a 2.653152717343745 1.905e-08 au
q 2.20121584755872 1.4842e-07 au
i 12.38419253935743 5.3834e-06 deg
node 42.75285169389957 2.9109e-05 deg
peri 263.5024228644415 3.293e-05 deg
M 234.3850025114372 1.7635e-05 deg
tp 2459551.283337822365
(2021-Dec-02.78333782)
7.9729e-05 TDB
period 1578.489874460292
4.32
1.7001e-05
4.655e-08
d
yr
n .2280660812747305 2.4564e-09 deg/d
Q 3.10508958712877 2.2295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8594 days (23.53 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:57:31  

Additional Information
 Earth MOID = 1.22827 au 
 Jupiter MOID = 2.23776 au 
 T_jup = 3.336 
[ 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 15.2   n/a MPO320393  
diameter diameter 2.832 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123154 (2000 TH39)          Discovered 2000-Oct-01 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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