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JPL Small-Body Database Browser
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26038 (2290 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2026038
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09766655429440912 4.3977e-08  
a 2.622172636747635 1.3954e-08 au
q 2.366074070551408 1.1287e-07 au
i 3.577089885488761 4.6166e-06 deg
node 128.0566098723541 6.6828e-05 deg
peri 11.55195048367881 7.1206e-05 deg
M 153.7032285179679 2.6903e-05 deg
tp 2457938.327961913403
(2017-Jul-03.82796191)
0.00011308 TDB
period 1550.923399655903
4.25
1.238e-05
3.389e-08
d
yr
n .2321197810800144 1.8529e-09 deg/d
Q 2.878271202943861 1.5317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      21582 days (59.09 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:03  

Additional Information
 Earth MOID = 1.37986 au 
 Jupiter MOID = 2.13377 au 
 T_jup = 3.395 
[ 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 15.0   n/a MPO302220  
rotation period rot_per 8.07 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]

26038 (2290 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2290 T-1 = 1999 WY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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