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JPL Small-Body Database Browser
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39451 (3992 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1811550005659555 4.9004e-08  
a 2.4518167244214 8.6883e-09 au
q 2.007657864321222 1.22e-07 au
i 3.342042002702792 3.6121e-06 deg
node 65.68132355122025 8.8293e-05 deg
peri 271.0000383910892 8.9032e-05 deg
M 67.21067557773533 9.8345e-06 deg
tp 2458738.702080071821
(2019-Sep-12.20208007)
3.8376e-05 TDB
period 1402.266088891471
3.84
7.4537e-06
2.041e-08
d
yr
n .2567273093543819 1.3646e-09 deg/d
Q 2.895975584521577 1.0262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      15371 days (42.08 yr)  
   first obs. used      1977-10-16  
   last obs. used      2019-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:44  

Additional Information
 Earth MOID = 1.00164 au 
 Jupiter MOID = 2.48498 au 
 T_jup = 3.470 
[ 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 15.6   n/a MPO502430  
diameter diameter 4.480 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39451 (3992 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

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Alternate Designations
 3992 T-3 = 2000 SZ63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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