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 ]  
215645 (2003 UN42)
Classification: Main-belt Asteroid          SPK-ID: 2215645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121997362360466 3.9961e-08  
a 2.396890346366328 1.3741e-08 au
q 2.104476046242372 9.7317e-08 au
i 1.562168203203272 6.587e-06 deg
node 166.0464279477635 0.0001726 deg
peri 286.6812167846834 0.00017637 deg
M 110.2153088453288 3.3196e-05 deg
tp 2458585.536309465004
(2019-Apr-12.03630946)
0.00012397 TDB
period 1355.40997124312
3.71
1.1655e-05
3.191e-08
d
yr
n .2656022957170844 2.284e-09 deg/d
Q 2.689304646490283 1.5417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      10045 days (27.50 yr)  
   first obs. used      1992-10-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:20:44  

Additional Information
 Earth MOID = 1.12179 au 
 Jupiter MOID = 2.46584 au 
 T_jup = 3.518 
[ 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 17.8   n/a MPO470316  

215645 (2003 UN42)          Discovered 2003-Oct-17 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 UN42 = 2001 FS174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-31 01:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin