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 ]  
164769 (1999 AG38)
Classification: Main-belt Asteroid          SPK-ID: 2164769
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000216871635375 7.9747e-08  
a 2.848677520306465 3.3028e-08 AU
q 2.278880236509924 2.2861e-07 AU
i 12.70613975590695 1.0134e-05 deg
node 131.1040429451693 3.8571e-05 deg
peri 277.6858145663309 4.8062e-05 deg
M 156.1662820136555 2.6191e-05 deg
tp 2456238.687438274700
(2012-Nov-07.18743827)
0.00012439 JED
period 1756.157082596912
4.81
3.0541e-05
8.362e-08
d
yr
n .2049930519129024 3.565e-09 deg/d
Q 3.418474804103008 3.9634e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      5563 days (15.23 yr)  
   first obs. used      1999-01-06  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5793  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 11:28:56  

Additional Information
 Earth MOID = 1.3304 AU 
 T_jup = 3.241 
[ 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 15.0 mag n/a MPO257739  

164769 (1999 AG38)          Discovered 1999-Jan-09 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

Alternate Designations
 1999 AG38 = 2002 RQ140 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-03 02:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin