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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221352804311256 1.5286e-08  
a 2.994291827910204 1.4935e-08 au
q 2.628583155815763 4.8953e-08 au
i 10.98079573823874 5.7332e-07 deg
node 135.7270670398152 1.7509e-06 deg
peri 221.1536296345963 8.6076e-06 deg
M 166.484514280386 1.0984e-05 deg
tp 2458325.292648348798
(2018-Jul-25.79264835)
5.5509e-05 TDB
period 1892.516237659183
5.18
1.4159e-05
3.877e-08
d
yr
n .1902229385599761 1.4232e-09 deg/d
Q 3.360000500004644 1.6759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      20823 days (57.01 yr)  
   first obs. used      1964-03-11  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:59:52  

Additional Information
 Earth MOID = 1.63231 au 
 Jupiter MOID = 2.07985 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 13.14   n/a E2021B10  
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

[ show close-approach data ]
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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