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 ]  
349222 (2007 TW4)
Classification: Main-belt Asteroid          SPK-ID: 2349222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190279576631513 6.747e-08  
a 2.723942621639101 2.3123e-08 au
q 2.399717294593788 1.9055e-07 au
i 3.176189835858875 6.5629e-06 deg
node 184.2411202382089 9.5548e-05 deg
peri 177.5687511744899 9.8766e-05 deg
M 343.8545780132302 2.3736e-05 deg
tp 2459274.144829210509
(2021-Feb-28.64482921)
0.00010855 TDB
period 1642.083962717619
4.50
2.0909e-05
5.725e-08
d
yr
n .219233613002472 2.7915e-09 deg/d
Q 3.048167948684413 2.5875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1998-09-12  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:50:02  

Additional Information
 Earth MOID = 1.3952 au 
 Jupiter MOID = 2.40476 au 
 T_jup = 3.345 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.53   n/a E2021B25  

349222 (2007 TW4)          Discovered 2007-Oct-02 by Charleston at Charleston
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 15:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin