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 ]  
148780 Altjira (2001 UQ18)
Classification: TransNeptunian Object          SPK-ID: 2148780
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05839038150209473 0.00024175  
a 44.35171272196187 0.0068043 AU
q 41.76199929585521 0.012614 AU
i 5.20462398507132 0.0004947 deg
node 1.989458444017555 0.0073496 deg
peri 300.1561628060923 0.1505 deg
M 120.5090911992867 0.17466 deg
tp 2420886.022930415587
(1916-Jan-23.52293042)
46.449 JED
period 107885.7338949656
295.38
24.827
0.06797
d
yr
n .003336863800273032 7.6789e-07 deg/d
Q 46.94142614806854 0.0072016 AU
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      2539 days (6.95 yr)  
   first obs. used      2001-10-20  
   last obs. used      2008-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .3195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 08:11:02  

Additional Information
 Earth MOID = 40.7509 AU 
 T_jup = 5.922 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.7 mag n/a MPO157315  

148780 Altjira           Discovered 2001 Oct. 20 by the Deep Ecliptic Survey at Kitt Peak.
According to the mythology of the Arrernte in central Australia, Altjira was the central god of the Dreamtime who created the earth and then retired to the sky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-24 23:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin