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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
79784 (1998 UM42)
Classification: Main-belt Asteroid          SPK-ID: 2079784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815999017235618 4.3244e-08  
a 2.440531499472741 9.5431e-09 au
q 1.997331219015235 1.0782e-07 au
i .872341592019275 4.8997e-06 deg
node 187.2373191486466 0.00022661 deg
peri 205.9928850459328 0.00022693 deg
M 341.1378792925992 1.1749e-05 deg
tp 2459469.464745493341
(2021-Sep-11.96474549)
4.5629e-05 TDB
period 1392.59570994563
3.81
8.1681e-06
2.236e-08
d
yr
n .258510059616696 1.5163e-09 deg/d
Q 2.883731779930248 1.1276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9471 days (25.93 yr)  
   first obs. used      1994-09-11  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:40  

Additional Information
 Earth MOID = 1.00288 au 
 Jupiter MOID = 2.54972 au 
 T_jup = 3.479 
[ 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 16.0   n/a MPO474688  

79784 (1998 UM42)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 UM42 = 2000 GG182 = 2000 GM149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 21:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin