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 ]  
136775 (1996 TF21)
Classification: Main-belt Asteroid          SPK-ID: 2136775
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07161103875072899 5.9204e-08  
a 2.949531702249096 2.7266e-08 au
q 2.738312673222833 1.7029e-07 au
i 2.941491472761755 5.5567e-06 deg
node 213.0553117759273 0.00010303 deg
peri 358.825860274253 0.00011234 deg
M 347.6541000717057 4.1213e-05 deg
tp 2458663.952433284150
(2019-Jun-29.45243328)
0.00021154 TDB
period 1850.239846019059
5.07
2.5656e-05
7.024e-08
d
yr
n .1945693693574751 2.698e-09 deg/d
Q 3.16075073127536 2.9219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:21  

Additional Information
 Earth MOID = 1.7324 au 
 Jupiter MOID = 1.80545 au 
 T_jup = 3.264 
[ 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 16.1   n/a MPO345164  

136775 (1996 TF21)          Discovered 1996-Oct-05 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1996 TF21 = 2004 HZ46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin