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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12193797412157 4.1287e-08  
a 2.994703197107524 1.6311e-08 au
q 2.629535156156844 1.2142e-07 au
i 10.9801892414197 3.6623e-06 deg
node 135.7264369376116 2.031e-05 deg
peri 221.1446520541461 2.468e-05 deg
M 128.4676333939271 1.4403e-05 deg
tp 2458325.007814553789
(2018-Jul-25.50781455)
7.5087e-05 TDB
period 1892.906254565838
5.18
1.5465e-05
4.234e-08
d
yr
n .1901837447742865 1.5538e-09 deg/d
Q 3.359871238058205 1.83e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2046  
   data-arc span      20500 days (56.13 yr)  
   first obs. used      1964-03-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:55:04  

Additional Information
 Earth MOID = 1.63498 au 
 Jupiter MOID = 2.07942 au 
 T_jup = 3.216 
[ 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 13.1   n/a MPO279780  
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. 2019-August); 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 0.215   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

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