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 ]  
70654 (1999 TN255)
Classification: Main-belt Asteroid          SPK-ID: 2070654
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108878093245865 4.1433e-08  
a 2.541237315797926 1.1035e-08 au
q 2.264552242368608 1.0662e-07 au
i 2.748010180069473 4.2861e-06 deg
node 188.0370875847427 6.5241e-05 deg
peri 7.395501857591112 6.7041e-05 deg
M 194.3306780435307 1.6329e-05 deg
tp 2459681.435312555685
(2022-Apr-11.93531256)		 6.9472e-05 TDB
period 1479.674749827599
4.05		 9.6379e-06
2.639e-08		 d
yr
n .2432967110116223 1.5847e-09 deg/d
Q 2.817922389227244 1.2236e-08 au
   Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8210 days (22.48 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:55  

Additional Information
 Earth MOID = 1.26326 au 
 Jupiter MOID = 2.1379 au 
 T_jup = 3.435 
[ 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 15.6   n/a MPO436276  

70654 (1999 TN255)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN255 = 2002 JN66 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 05:36 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin