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 ]  
74810 (1999 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2074810
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172574630402668 3.6775e-08  
a 2.341261272573047 7.4884e-09 au
q 1.8326047881794 8.7177e-08 au
i 22.93685655720804 4.5757e-06 deg
node 190.6191991205434 1.0634e-05 deg
peri 85.54053714627993 1.4986e-05 deg
M 346.2523811674711 8.9278e-06 deg
tp 2459050.468720676013
(2020-Jul-19.96872068)
3.2429e-05 TDB
period 1308.498559823374
3.58
6.2777e-06
1.719e-08
d
yr
n .2751244908122742 1.32e-09 deg/d
Q 2.849917756966694 9.1153e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:47  

Additional Information
 Earth MOID = .972787 au 
 Jupiter MOID = 2.50891 au 
 T_jup = 3.428 
[ 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 15.0   n/a MPO381767  
diameter diameter 2.562 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.324   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

74810 (1999 TS4)          Discovered 1999-Oct-04 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-07 01:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin