Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
26138 (1993 TK25)
Classification: Main-belt Asteroid          SPK-ID: 2026138
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0970666181941584 4.6458e-08  
a 2.7848524911415 1.8248e-08 au
q 2.514536277656817 1.3432e-07 au
i 3.301421832907974 5.7449e-06 deg
node 179.0471486948072 7.2734e-05 deg
peri 140.8817270455975 7.731e-05 deg
M 316.4589777184596 2.632e-05 deg
tp 2459205.804203761317
(2020-Dec-22.30420376)
0.0001244 TDB
period 1697.468490201451
4.65
1.6684e-05
4.568e-08
d
yr
n .2120805199496081 2.0845e-09 deg/d
Q 3.055168704626183 2.0019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      9349 days (25.60 yr)  
   first obs. used      1993-09-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:56:00  

Additional Information
 Earth MOID = 1.50276 au 
 Jupiter MOID = 2.20319 au 
 T_jup = 3.322 
[ 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 15.3   n/a MPO290658  
diameter diameter 3.968 km 0.501 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 32.00 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26138 (1993 TK25)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TK25 = 1997 OG = 1998 WL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 17:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin