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 ]  
121514 (1999 UJ7)
Classification: Mars-crossing Asteroid          SPK-ID: 2121514
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03919141041046286 1.4427e-07  
a 1.524536845357811 1.5428e-08 AU
q 1.464788096165521 2.3259e-07 AU
i 16.74920078736646 1.1824e-05 deg
node 347.3808595840824 2.005e-05 deg
peri 48.17894319548676 0.00013383 deg
M 275.9266208907122 0.00013327 deg
tp 2456961.068857278417
(2014-Oct-30.56885728)
0.00025471 JED
period 687.5516273122444
1.88
1.0437e-05
2.857e-08
d
yr
n .5235970444972997 7.9483e-09 deg/d
Q 1.584285594550102 1.6033e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      21043 days (57.61 yr)  
   first obs. used      1955-03-23  
   last obs. used      2012-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 02:17:48  

Additional Information
 Earth MOID = .474434 AU 
 T_jup = 4.449 
[ 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 16.9 mag n/a MPO245024  

121514 (1999 UJ7)          Discovered 1999-Oct-30 by LINEAR at Socorro (704)
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1999 UJ7 = 2002 AC180 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-22 17:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin