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 ]  
28018 (1998 AG)
Classification: Main-belt Asteroid          SPK-ID: 2028018
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08012579192799968 5.529e-08  
a 3.004551838113739 3.0013e-08 au
q 2.763809742696148 1.6943e-07 au
i 11.12903158331417 5.7022e-06 deg
node 140.2572597275866 2.6372e-05 deg
peri 212.5454135251388 4.3467e-05 deg
M 310.739239508136 3.8696e-05 deg
tp 2457860.795458244186
(2017-Apr-17.29545824)
0.00020679 JED
period 1902.251691452952
5.21
2.8503e-05
7.804e-08
d
yr
n .1892494045964179 2.8357e-09 deg/d
Q 3.245293933531329 3.2418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      1997-12-27  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5349  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:41:52  

Additional Information
 Earth MOID = 1.76265 au 
 Jupiter MOID = 2.13741 au 
 T_jup = 3.218 
[ 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 13.0 mag n/a MPO299158  

28018 (1998 AG)          Discovered 1998-Jan-04 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AG = 1970 UC = 1999 GO38 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 10:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin