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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186412328775599 4.7988e-08  
a 2.550948053735085 1.0486e-08 au
q 2.248300431633343 1.2583e-07 au
i 13.15246292407026 4.7486e-06 deg
node 324.2094783187854 1.6079e-05 deg
peri 174.6302664795968 2.3783e-05 deg
M 349.0097943216246 1.6324e-05 deg
tp 2459245.931195864530
(2021-Jan-31.43119586)		 6.7472e-05 TDB
period 1488.164188174551
4.07		 9.1758e-06
2.512e-08		 d
yr
n .2419087912884076 1.4916e-09 deg/d
Q 2.853595675836828 1.173e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      13979 days (38.27 yr)  
   first obs. used      1982-10-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:19:22  

Additional Information
 Earth MOID = 1.26157 au 
 Jupiter MOID = 2.17364 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 13.68   n/a E2021B10  
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. 2020-October); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2005-Jan-15 22:51 < 00:01 Pallas 0.0345774242176157 0.0345766183502902 0.03457823009668 16.9326069825761 16.9326068193106 2453386.452264886 0.139938746278778 75.0940071252882 34.7794931972339 72.4071013038917 143258.557418809 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:25 2021-Feb-24 03:19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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