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 ]  
74057 (1998 KW12)
Classification: Main-belt Asteroid          SPK-ID: 2074057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09691894245476794 3.4794e-08  
a 2.386517891095693 1.0334e-08 au
q 2.155219100941316 8.4631e-08 au
i 2.596315677435975 4.4413e-06 deg
node 36.49353458330003 8.7337e-05 deg
peri 211.0413586196766 9.0666e-05 deg
M 332.3719952905584 2.4462e-05 deg
tp 2459103.845718555629
(2020-Sep-11.34571856)
9.1437e-05 TDB
period 1346.621266041412
3.69
8.7467e-06
2.395e-08
d
yr
n .2673357454529677 1.7364e-09 deg/d
Q 2.61781668125007 1.1336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:02:49  

Additional Information
 Earth MOID = 1.14203 au 
 Jupiter MOID = 2.39387 au 
 T_jup = 3.527 
[ 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 16.1   n/a MPO422173  

74057 (1998 KW12)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KW12 = 1999 TE315 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 19:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin