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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335957384356572 4.781e-08  
a 2.341669540603151 9.0973e-09 au
q 2.028832469153987 1.1179e-07 au
i 7.374757402791829 5.144e-06 deg
node 29.75871492948305 3.1786e-05 deg
peri 324.1858673135823 3.5143e-05 deg
M 16.99697914168473 1.5653e-05 deg
tp 2458938.704609945693
(2020-Mar-30.20460995)		 5.6825e-05 TDB
period 1308.840837781096
3.58		 7.6272e-06
2.088e-08		 d
yr
n .2750525423781209 1.6029e-09 deg/d
Q 2.654506612052315 1.0313e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      17219 days (47.14 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:28:34  

Additional Information
 Earth MOID = 1.02988 au 
 Jupiter MOID = 2.78933 au 
 T_jup = 3.541 
[ 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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