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15519 (1999 XW)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015519
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083263491363882 4.289e-08  
a 3.223557077354936 2.1335e-08 au
q 2.87436090793231 1.3861e-07 au
i 13.01162681744677 4.1665e-06 deg
node 80.62896301905313 1.9934e-05 deg
peri 324.2786461105555 2.7689e-05 deg
M 268.3301594023682 2.1289e-05 deg
tp 2459738.801325028222
(2022-Jun-08.30132503)
0.00012766 TDB
period 2113.98291681077
5.79
2.0987e-05
5.746e-08
d
yr
n .1702946590235974 1.6907e-09 deg/d
Q 3.572753246777562 2.3647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1903  
   data-arc span      25690 days (70.34 yr)  
   first obs. used      1950-04-22  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:44  

Additional Information
 Earth MOID = 1.89542 au 
 Jupiter MOID = 1.79885 au 
 T_jup = 3.139 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.64   n/a E2021B10  
diameter diameter 16.342 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.290 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.079   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15519 (1999 XW)          Discovered 1999-Dec-02 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XW = 1982 YH3 = 1983 AG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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