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25459 (1999 XL14)
Classification: Main-belt Asteroid          SPK-ID: 2025459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223660291466653 1.5276e-08  
a 2.993658074226294 1.4505e-08 au
q 2.627336023060369 4.8931e-08 au
i 10.981005430822 5.7235e-07 deg
node 135.7279463819334 1.7507e-06 deg
peri 221.1877874200547 8.5894e-06 deg
M 203.7318595806193 1.105e-05 deg
tp 2460217.739184265364
(2023-Sep-30.23918427)
6.076e-05 TDB
period 1891.915431655475
5.18
1.3751e-05
3.765e-08
d
yr
n .1902833466953598 1.383e-09 deg/d
Q 3.359980125392219 1.628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2450  
   data-arc span      20912 days (57.25 yr)  
   first obs. used      1964-03-11  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:32:42  

Additional Information
 Earth MOID = 1.63201 au 
 Jupiter MOID = 2.08006 au 
 T_jup = 3.216 
[ 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 13.15   n/a MPCxxxxx  
diameter diameter 8.648 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.298 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.215   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25459 (1999 XL14)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XL14 = 1964 ER = 1998 XZ90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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