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 ]  
437121 (2012 UL137)
Classification: Main-belt Asteroid          SPK-ID: 2437121
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642930318005969 6.3654e-08  
a 2.641981285085015 2.5581e-08 au
q 2.207922169797961 1.7019e-07 au
i .6757937282161078 1.0868e-05 deg
node 246.7891210903949 0.00066374 deg
peri 85.20447932958882 0.0006647 deg
M 236.9780775683265 3.762e-05 deg
tp 2459136.510183480512
(2020-Oct-14.01018348)
0.00016786 TDB
period 1568.530732074656
4.29
2.2781e-05
6.237e-08
d
yr
n .2295141514529569 3.3335e-09 deg/d
Q 3.076040400372069 2.9784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:47  

Additional Information
 Earth MOID = 1.19661 au 
 Jupiter MOID = 2.27639 au 
 T_jup = 3.375 
[ 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 MPO434607  

437121 (2012 UL137)          Discovered 1999-Oct-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UL137 = 1999 TP84 = 1999 UE65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 19:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin