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39447 (3412 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039447
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138049020196648 4.84e-08  
a 2.740516689490825 1.5566e-08 au
q 2.362191045674055 1.296e-07 au
i 8.927246465824052 4.7246e-06 deg
node 193.7894279141332 2.5377e-05 deg
peri 149.8695427712675 2.8519e-05 deg
M 169.4094796872163 1.4014e-05 deg
tp 2458220.701650670135
(2018-Apr-12.20165067)
6.1269e-05 TDB
period 1657.093843137134
4.54
1.4119e-05
3.866e-08
d
yr
n .2172478049393174 1.851e-09 deg/d
Q 3.118842333307595 1.7715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      15457 days (42.32 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:26:54  

Additional Information
 Earth MOID = 1.36016 au 
 Jupiter MOID = 2.33915 au 
 T_jup = 3.319 
[ 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 MPO270343  
diameter diameter 3.184 km 0.522 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39447 (3412 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
 3412 T-3 = 2000 UE27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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