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 ]  
74983 (1999 TP242)
Classification: Main-belt Asteroid          SPK-ID: 2074983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06826170811776047 3.2447e-08  
a 2.22215530525998 8.1455e-09 au
q 2.07046718841999 7.2959e-08 au
i 7.014007670278591 4.4564e-06 deg
node 91.2273830242916 2.6667e-05 deg
peri 309.9853000986357 4.6652e-05 deg
M 76.3024701996108 3.5476e-05 deg
tp 2458744.053877738393
(2019-Sep-17.55387774)
0.0001196 TDB
period 1209.929426565923
3.31
6.6527e-06
1.821e-08
d
yr
n .2975380151070203 1.636e-09 deg/d
Q 2.37384342209997 8.7015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      7445 days (20.38 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:25:18  

Additional Information
 Earth MOID = 1.08747 au 
 Jupiter MOID = 2.86414 au 
 T_jup = 3.636 
[ 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 15.7   n/a MPO453162  

74983 (1999 TP242)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TP242 = 2001 FQ56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 23:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin