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 ]  
16954 (1998 KT48)
Classification: Main-belt Asteroid          SPK-ID: 2016954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958537697365256 1.7889e-08  
a 2.635405628500425 9.763e-09 au
q 2.119251501373759 4.6315e-08 au
i 13.74480117470197 5.0843e-07 deg
node 100.770001938231 2.1462e-06 deg
peri 243.2202373396643 7.0979e-06 deg
M 32.3588934212481 5.6299e-06 deg
tp 2459060.037371425702
(2020-Jul-29.53737143)
2.4377e-05 TDB
period 1562.678476932815
4.28
8.6836e-06
2.377e-08
d
yr
n .2303736855111736 1.2801e-09 deg/d
Q 3.15155975562709 1.1675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2239  
   data-arc span      25951 days (71.05 yr)  
   first obs. used      1950-02-17  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:48:11  

Additional Information
 Earth MOID = 1.14738 au 
 Jupiter MOID = 2.32152 au 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.68   n/a E2021B10  
diameter diameter 5.267 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.842 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.]
geometric albedo albedo 0.175   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16954 (1998 KT48)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KT48 = 1986 VW7 = 2000 AM103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 09:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin