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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74842 (1999 TS38)
Classification: Main-belt Asteroid          SPK-ID: 2074842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828054235805154 4.1594e-08  
a 2.374631560760135 1.0247e-08 au
q 1.940536032447718 1.016e-07 au
i 1.387725312693702 3.775e-06 deg
node 32.7956992880677 0.00021381 deg
peri 317.9188567946533 0.00021415 deg
M 137.987396430295 1.2806e-05 deg
tp 2458088.193696044325
(2017-Nov-30.69369604)
4.6288e-05 TDB
period 1336.573297237394
3.66
8.6516e-06
2.369e-08
d
yr
n .2693454977322197 1.7435e-09 deg/d
Q 2.808727089072552 1.2121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:01:08  

Additional Information
 Earth MOID = .934021 au 
 Jupiter MOID = 2.61334 au 
 T_jup = 3.519 
[ 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 16.2   n/a MPO432301  
diameter diameter 3.249 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74842 (1999 TS38)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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 2019-Dec-14 00:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin