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39526 (1989 TW3)
Classification: Main-belt Asteroid          SPK-ID: 2039526
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778044687076718 3.9397e-08  
a 2.301089125286269 9.7107e-09 au
q 1.891945195915743 9.01e-08 au
i 4.298154816054073 4.0409e-06 deg
node 133.9856637864499 7.612e-05 deg
peri 177.79580877 7.8533e-05 deg
M 215.4944372996757 2.0993e-05 deg
tp 2459112.276867292213
(2020-Sep-19.77686729)
7.5045e-05 TDB
period 1274.965951361145
3.49
8.0706e-06
2.21e-08
d
yr
n .2823604815608342 1.7874e-09 deg/d
Q 2.710233054656796 1.1437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      23622 days (64.67 yr)  
   first obs. used      1954-09-04  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:09:36  

Additional Information
 Earth MOID = .876889 au 
 Jupiter MOID = 2.55333 au 
 T_jup = 3.566 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO351108  
diameter diameter 2.327 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.130   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39526 (1989 TW3)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 TW3 = 1996 TR35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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