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 ]  
91834 (1999 TU308)
Classification: Main-belt Asteroid          SPK-ID: 2091834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052921103505646 4.3758e-08  
a 2.844819775949762 2.2046e-08 au
q 2.545282698172991 1.2379e-07 au
i 2.423411246485248 4.386e-06 deg
node 159.7403358379521 0.00011725 deg
peri 201.7363155123626 0.00011919 deg
M 85.5156002921934 2.1779e-05 deg
tp 2458584.183702728139
(2019-Apr-10.68370273)
0.00010542 TDB
period 1752.590948385727
4.80
2.0373e-05
5.578e-08
d
yr
n .2054101673477135 2.3878e-09 deg/d
Q 3.144356853726532 2.4368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:41  

Additional Information
 Earth MOID = 1.54237 au 
 Jupiter MOID = 2.29831 au 
 T_jup = 3.298 
[ 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 15.6   n/a MPO453358  

91834 (1999 TU308)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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 2020-Feb-19 23:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin