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 ]  
74305 (1998 TD13)
Classification: Main-belt Asteroid          SPK-ID: 2074305
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09489987377813475 4.6999e-08  
a 2.658266072295869 1.4599e-08 au
q 2.405996957566293 1.2949e-07 au
i 2.344015557578054 4.8622e-06 deg
node 39.60130557369537 0.00010426 deg
peri 315.7467100547331 0.00010696 deg
M 30.51801439132065 2.2459e-05 deg
tp 2458866.300816916106
(2020-Jan-17.80081692)
9.8703e-05 TDB
period 1583.055348579349
4.33
1.3041e-05
3.57e-08
d
yr
n .2274083469810881 1.8734e-09 deg/d
Q 2.910535187025445 1.5985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      10522 days (28.81 yr)  
   first obs. used      1991-01-11  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:46:04  

Additional Information
 Earth MOID = 1.40197 au 
 Jupiter MOID = 2.48306 au 
 T_jup = 3.379 
[ 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 15.3   n/a MPO449468  

74305 (1998 TD13)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
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-Aug-15 05:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin