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
JPL Small-Body Database Browser
Search: [ help ]  
79444 (1997 UM26)
Classification: Jupiter Trojan          SPK-ID: 2079444
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03228843035214183 7.0531e-08  
a 5.195064316397877 1.2637e-07 au
q 5.027323844042967 4.1782e-07 au
i 11.99451210730641 7.1898e-06 deg
node 164.9559599375151 2.718e-05 deg
peri 175.3382800490375 0.00010381 deg
M 2.396942012714413 0.00010198 deg
tp 2458971.703490654443
(2020-May-02.20349065)
0.0012253 TDB
period 4324.987133360236
11.84
0.00015781
4.321e-07
d
yr
n .08323724184592041 3.0371e-09 deg/d
Q 5.362804788752787 1.3045e-07 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:48:50  

Additional Information
 Earth MOID = 4.01902 au 
 Jupiter MOID = .0579635 au 
 T_jup = 2.955 
[ 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 12.4   n/a MPO417373  

79444 (1997 UM26)          Discovered 1997-Oct-26 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 15:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin