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JPL Small-Body Database Browser
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39456 (4120 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05621078106619266 4.2109e-08  
a 2.716585627841126 1.762e-08 au
q 2.563884227866983 1.1928e-07 au
i 4.118534886078939 5.2383e-06 deg
node 125.773799247324 6.7264e-05 deg
peri 341.6354305798731 8.4221e-05 deg
M 103.9452460132254 5.1253e-05 deg
tp 2458528.289482740109
(2019-Feb-13.78948274)
0.00023177 TDB
period 1635.435892776965
4.48
1.5912e-05
4.356e-08
d
yr
n .2201248007274202 2.1416e-09 deg/d
Q 2.869287027815269 1.8611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      15454 days (42.31 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:26:55  

Additional Information
 Earth MOID = 1.58102 au 
 Jupiter MOID = 2.18799 au 
 T_jup = 3.355 
[ 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 15.0   n/a MPO431945  

39456 (4120 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4120 T-3 = 2000 WL59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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