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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06665401508023133 5.2332e-08  
a 2.912371117280851 1.6737e-08 au
q 2.718249888910383 1.5061e-07 au
i 14.28608978932222 4.3254e-06 deg
node 106.8966925195284 1.6074e-05 deg
peri 241.1330892805416 3.6827e-05 deg
M 188.4041045366477 3.5215e-05 deg
tp 2460065.812334971680
(2023-May-01.31233497)		 0.00017832 TDB
period 1815.383985430669
4.97		 1.5649e-05
4.284e-08		 d
yr
n .1983051535593425 1.7094e-09 deg/d
Q 3.106492345651318 1.7853e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2123  
   data-arc span      13643 days (37.35 yr)  
   first obs. used      1983-09-12  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:19:17  

Additional Information
 Earth MOID = 1.73648 au 
 Jupiter MOID = 2.2091 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 12.85   n/a E2021B10  
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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