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 ]  
437902 (2001 UD164)
Classification: Main-belt Asteroid          SPK-ID: 2437902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250763277372728 1.128e-07  
a 2.399284212817062 1.8895e-08 au
q 1.859262132998184 2.6308e-07 au
i 2.978947621988223 6.8373e-06 deg
node 139.0891017017051 0.00026883 deg
peri 242.221517225367 0.00027048 deg
M 263.364159550359 2.9255e-05 deg
tp 2458964.881818378826
(2020-Apr-25.38181838)
0.00011296 TDB
period 1357.441028152869
3.72
1.6035e-05
4.39e-08
d
yr
n .2652048910661468 3.1328e-09 deg/d
Q 2.93930629263594 2.3148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5601 days (15.33 yr)  
   first obs. used      2001-09-26  
   last obs. used      2017-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71292  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:12:45  

Additional Information
 Earth MOID = .863517 au 
 Jupiter MOID = 2.51808 au 
 T_jup = 3.490 
[ 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 17.7   n/a MPO397545  

437902 (2001 UD164)          Discovered 2001-Sep-26 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 14:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin