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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811928802838086 4.2681e-08  
a 2.452255114997922 7.9829e-09 au
q 2.007923947520746 1.052e-07 au
i 3.341727073506085 3.4127e-06 deg
node 65.67877256800892 7.9376e-05 deg
peri 271.0584586278896 7.9962e-05 deg
M 118.4834047756715 9.2169e-06 deg
tp 2458738.861601810740
(2019-Sep-12.36160181)
3.5693e-05 TDB
period 1402.642198397202
3.84
6.8491e-06
1.875e-08
d
yr
n .2566584695736173 1.2533e-09 deg/d
Q 2.896586282475098 9.4293e-09 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      15824 days (43.32 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:42:45  

Additional Information
 Earth MOID = 1.00004 au 
 Jupiter MOID = 2.48476 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

[ 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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