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 ]  
52968 (1998 TL28)
Classification: Main-belt Asteroid          SPK-ID: 2052968
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08719883204506258 3.1622e-08  
a 2.296847143442574 8.9297e-09 au
q 2.096564755148343 7.3581e-08 au
i 2.432586690680946 4.4408e-06 deg
node 5.939706546295438 8.5709e-05 deg
peri 99.50214130317865 9.0547e-05 deg
M 67.75384589566285 2.7337e-05 deg
tp 2458961.208088731367
(2020-Apr-21.70808873)
9.6583e-05 TDB
period 1271.442040196014
3.48
7.4147e-06
2.03e-08
d
yr
n .2831430679643879 1.6512e-09 deg/d
Q 2.497129531736805 9.7083e-09 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9201 days (25.19 yr)  
   first obs. used      1996-01-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:39  

Additional Information
 Earth MOID = 1.11488 au 
 Jupiter MOID = 2.58323 au 
 T_jup = 3.588 
[ 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 16.54   n/a E2021B10  

52968 (1998 TL28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TL28 = 2000 GD49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 06:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin