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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457064.5 (2015-Feb-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824495224624408 4.9046e-08  
q 2.003896707259648 1.223e-07 au
tp 2457337.319493427551
(2015-Nov-10.81949343)
3.9157e-05 TDB
node 65.69095296936572 8.8314e-05 deg
peri 271.1950332747507 8.9039e-05 deg
i 3.342926217479636 3.6121e-06 deg
  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
 Jupiter MOID = 2.48498 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.405491022724811E-15 -5.98883521980033E-15 1.412431907790303E-13 2.005687782983643E-14 7.6194182754036E-14 -2.83428135634834E-15
q -5.98883521980033E-15 1.495832462346949E-14 -4.205284228492944E-13 -4.832573125649516E-14 -2.144832568791054E-13 7.164245470547986E-15
tp 1.412431907790303E-13 -4.205284228492944E-13 1.53330908663983E-9 -1.122823978192181E-11 4.707284436289817E-10 4.388690135406584E-13
node 2.005687782983643E-14 -4.832573125649516E-14 -1.122823978192181E-11 7.799447121642777E-9 -7.789330245534842E-9 -2.173422684734719E-11
peri 7.6194182754036E-14 -2.144832568791054E-13 4.707284436289817E-10 -7.789330245534842E-9 7.927905504907775E-9 2.174062772848732E-11
i -2.83428135634834E-15 7.164245470547986E-15 4.388690135406584E-13 -2.173422684734719E-11 2.174062772848732E-11 1.304747607020121E-11

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

[ show close-approach data ]
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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