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26405 (1999 XS15)
Classification: Main-belt Asteroid          SPK-ID: 2026405
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06616595142523887 5.6868e-08  
a 2.913114612110629 1.9257e-08 au
q 2.720365612189564 1.6706e-07 au
i 14.28544489067684 4.4192e-06 deg
node 106.8991268054492 2.0328e-05 deg
peri 241.0770391418051 4.2273e-05 deg
M 69.5472710372206 3.8206e-05 deg
tp 2458249.657354637679
(2018-May-11.15735464)
0.00019328 TDB
period 1816.079199755229
4.97
1.8007e-05
4.93e-08
d
yr
n .1982292402492803 1.9655e-09 deg/d
Q 3.105863612031695 2.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1622  
   data-arc span      13198 days (36.13 yr)  
   first obs. used      1983-09-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45751  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:53:01  

Additional Information
 Earth MOID = 1.73948 au 
 Jupiter MOID = 2.20723 au 
 T_jup = 3.233 
[ 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 12.8   n/a MPO384975  
diameter diameter 5.982 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.450   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26405 (1999 XS15)          Discovered 1999-Dec-05 by Korlevic, K. at Visnjan
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS15 = 1989 YD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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