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 ]  
74856 (1999 TN88)
Classification: Main-belt Asteroid          SPK-ID: 2074856
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016393075162413 3.9297e-08  
a 2.33615333404951 9.5238e-09 au
q 1.865092993520008 9.1213e-08 au
i 2.243022728826573 4.916e-06 deg
node 177.6777135974174 9.609e-05 deg
peri 248.0834940161752 9.6951e-05 deg
M 241.4795882337909 1.1543e-05 deg
tp 2459429.879290821130
(2021-Aug-03.37929082)
4.2471e-05 TDB
period 1304.218761916903
3.57
7.9753e-06
2.184e-08
d
yr
n .2760273126809512 1.6879e-09 deg/d
Q 2.807213674579011 1.1444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      9210 days (25.22 yr)  
   first obs. used      1994-04-12  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:23:10  

Additional Information
 Earth MOID = .880104 au 
 Jupiter MOID = 2.50464 au 
 T_jup = 3.539 
[ 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 16.2   n/a MPO319942  

74856 (1999 TN88)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-14 11:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin