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JPL Small-Body Database Browser
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26421 (1999 XP113)
Classification: Main-belt Asteroid          SPK-ID: 2026421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186130090606433 4.8352e-08  
a 2.550611719764845 1.1515e-08 au
q 2.248075988738195 1.2658e-07 au
i 13.1521203160568 5.1642e-06 deg
node 324.2116294133954 1.856e-05 deg
peri 174.7029663213206 2.6532e-05 deg
M 300.5590182695626 1.9255e-05 deg
tp 2459246.167907145560
(2021-Jan-31.66790715)
7.9904e-05 TDB
period 1487.869883668406
4.07
1.0076e-05
2.759e-08
d
yr
n .2419566414721728 1.6386e-09 deg/d
Q 2.853147450791496 1.2881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1627  
   data-arc span      13630 days (37.32 yr)  
   first obs. used      1982-10-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:44:44  

Additional Information
 Earth MOID = 1.26144 au 
 Jupiter MOID = 2.17462 au 
 T_jup = 3.394 
[ 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 13.6   n/a MPO412373  
diameter diameter 5.463 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.320 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Zeigler, K.; Banshaw, B.; Gass, J. (2017) Minor Planet Bull. 44, 259-260.]
geometric albedo albedo 0.258   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26421 (1999 XP113)          Discovered 1999-Dec-11 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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