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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06644873547273017 5.3056e-08  
a 2.9128855681893 1.695e-08 au
q 2.719328005606356 1.5246e-07 au
i 14.28639459437013 4.3857e-06 deg
node 106.8984430063003 1.6157e-05 deg
peri 241.0888087547178 3.7179e-05 deg
M 148.8015672398922 3.5425e-05 deg
tp 2458249.934553191648
(2018-May-11.43455319)		 0.00017844 TDB
period 1815.865019858259
4.97		 1.585e-05
4.339e-08		 d
yr
n .1982526212372881 1.7305e-09 deg/d
Q 3.106443130772244 1.8077e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1994  
   data-arc span      13378 days (36.63 yr)  
   first obs. used      1983-09-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:02:40  

Additional Information
 Earth MOID = 1.73937 au 
 Jupiter MOID = 2.20914 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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