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JPL Small-Body Database Browser
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26054 (4231 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2026054
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341062234815463 5.0102e-08  
a 2.342763185817758 9.4774e-09 au
q 2.028584062456142 1.1801e-07 au
i 7.376395968655844 5.2842e-06 deg
node 29.7909393296306 3.3004e-05 deg
peri 324.0471952774376 3.6193e-05 deg
M 267.1454244339635 1.5504e-05 deg
tp 2458938.325028175469
(2020-Mar-29.82502818)
5.6904e-05 TDB
period 1309.757859554017
3.59
7.9477e-06
2.176e-08
d
yr
n .2748599654310017 1.6679e-09 deg/d
Q 2.656942309179373 1.0748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      16785 days (45.95 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:41:36  

Additional Information
 Earth MOID = 1.02877 au 
 Jupiter MOID = 2.78334 au 
 T_jup = 3.540 
[ 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 14.6   n/a MPO435944  
diameter diameter 3.079 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26054 (4231 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4231 T-2 = 1998 SZ68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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