Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
192558 (1998 UM44)
Classification: Main-belt Asteroid          SPK-ID: 2192558
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09604060129240354 3.0128e-07  
a 3.003745600101441 8.2912e-08 AU
q 2.715264066538287 9.6752e-07 AU
i 9.608316205374994 1.3183e-05 deg
node 215.849595649574 7.377e-05 deg
peri 150.4481447585105 9.92e-05 deg
M 20.93466676299454 6.4718e-05 deg
tp 2456689.925063206749
(2014-Feb-01.42506321)
0.00034011 JED
period 1901.486070747281
5.21
7.873e-05
2.156e-07
d
yr
n .1893256046090943 7.8389e-09 deg/d
Q 3.292227133664595 9.0875e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      7247 days (19.84 yr)  
   first obs. used      1993-11-20  
   last obs. used      2013-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67457  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 16:56:55  

Additional Information
 Earth MOID = 1.71824 AU 
 T_jup = 3.224 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO268177  

192558 (1998 UM44)          Discovered 1998-Oct-17 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1998 UM44 = 2003 RG7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-29 10:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin