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 ]  
70550 (1999 TN138)
Classification: Main-belt Asteroid          SPK-ID: 2070550
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0820280423305849 4.4628e-08  
a 2.593485631437644 1.354e-08 au
q 2.380747082278313 1.0952e-07 au
i 1.497489110123134 4.1757e-06 deg
node 255.8566932420259 0.00016555 deg
peri 58.38033645547754 0.00016847 deg
M 86.1789659298709 3.2892e-05 deg
tp 2458835.306554591640
(2019-Dec-17.80655459)		 0.00013811 TDB
period 1525.542096362522
4.18		 1.1946e-05
3.271e-08		 d
yr
n .2359816886458775 1.848e-09 deg/d
Q 2.806224180596974 1.465e-08 au
   Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      10600 days (29.02 yr)  
   first obs. used      1992-01-01  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:41:18  

Additional Information
 Earth MOID = 1.36519 au 
 Jupiter MOID = 2.38728 au 
 T_jup = 3.413 
[ 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 15.62   n/a E2021B10  

70550 (1999 TN138)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN138 = 1998 LL 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-24 21:44 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin