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 ]  
181494 (2006 UJ4)
Classification: Main-belt Asteroid          SPK-ID: 2181494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05159720781153073 3.3596e-08  
a 2.21635995993223 8.2612e-09 au
q 2.10200197449445 7.4716e-08 au
i 1.343152523425889 3.907e-06 deg
node 240.5060971039391 0.00017738 deg
peri 190.2496294510852 0.00018246 deg
M 71.02831759882407 4.3409e-05 deg
tp 2458962.713115019575
(2020-Apr-23.21311502)
0.00014517 TDB
period 1205.199299192891
3.30
6.7384e-06
1.845e-08
d
yr
n .2987057827208233 1.6701e-09 deg/d
Q 2.330717945370009 8.6875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8957 days (24.52 yr)  
   first obs. used      1996-10-06  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:35  

Additional Information
 Earth MOID = 1.11564 au 
 Jupiter MOID = 2.78062 au 
 T_jup = 3.651 
[ 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 17.03   n/a MPCxxxxx  

181494 (2006 UJ4)          Discovered 2006-Oct-16 by San Marcello at San Marcello
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 UJ4 = 2005 LL43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 14:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin