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JPL Small-Body Database Browser
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26781 (3182 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2026781
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745757920838769 3.1081e-08  
a 2.328560292250291 8.0029e-09 au
q 1.922050034815633 7.0754e-08 au
i 6.947794946095944 3.8241e-06 deg
node 150.0607298871425 2.7839e-05 deg
peri 86.52084185395775 3.0131e-05 deg
M 46.20699132656402 1.0877e-05 deg
tp 2458433.915400737322
(2018-Nov-11.41540074)
3.9005e-05 TDB
period 1297.865409819221
3.55
6.6908e-06
1.832e-08
d
yr
n .2773785303748439 1.43e-09 deg/d
Q 2.735070549684949 9.4e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      16869 days (46.18 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:31:36  

Additional Information
 Earth MOID = .925781 au 
 Jupiter MOID = 2.29385 au 
 T_jup = 3.542 
[ 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 14.8   n/a MPO493025  
diameter diameter 3.117 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26781 (3182 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3182 T-2 = 1998 ST125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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