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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811549761661792 4.504e-08  
a 2.451816726144391 8.2672e-09 au
q 2.007657925555864 1.115e-07 au
i 3.342042495588519 3.5311e-06 deg
node 65.68130867613438 8.2762e-05 deg
peri 271.0000590704444 8.3437e-05 deg
M 67.2106685327211 9.4925e-06 deg
tp 2458738.702107237481
(2019-Sep-12.20210724)
3.6959e-05 TDB
period 1402.266090369615
3.84
7.0924e-06
1.942e-08
d
yr
n .256727309083763 1.2985e-09 deg/d
Q 2.895975526732918 9.7648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      15735 days (43.08 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:10:53  

Additional Information
 Earth MOID = 1.00164 au 
 Jupiter MOID = 2.48498 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457323.5 (2015-Oct-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825090493530001 4.5036e-08  
q 2.004080968601584 1.1167e-07 au
tp 2457337.199404426862
(2015-Nov-10.69940443)
3.726e-05 TDB
node 65.68823325731236 8.2789e-05 deg
peri 271.1520560701928 8.345e-05 deg
i 3.342713259537054 3.5305e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      15735 days (43.08 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:10:53  

Additional Information
 Jupiter MOID = 2.48498 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.028269817276103E-15 -5.019845468287184E-15 -5.670313678861316E-14 1.884245357511678E-14 -4.363876537837756E-15 -2.312143936437863E-15
q -5.019845468287184E-15 1.246918365567822E-14 8.757604595786184E-14 -4.555454676741023E-14 -7.325110500401854E-15 5.825600844377479E-15
tp -5.670313678861316E-14 8.757604595786184E-14 1.38829381116385E-9 -9.788531761741308E-12 4.150010528744989E-10 6.136798058648179E-13
node 1.884245357511678E-14 -4.555454676741023E-14 -9.788531761741308E-12 6.854039139320115E-9 -6.845067149299144E-9 -6.501938037861035E-12
peri -4.363876537837756E-15 -7.325110500401854E-15 4.150010528744989E-10 -6.845067149299144E-9 6.963910077383117E-9 6.614551129903375E-12
i -2.312143936437863E-15 5.825600844377479E-15 6.136798058648179E-13 -6.501938037861035E-12 6.614551129903375E-12 1.246463991307523E-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

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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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