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 ]  
305608 (2008 YG157)
Classification: Main-belt Asteroid          SPK-ID: 2305608
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08033950057292295 5.1529e-08  
a 2.298285952128936 1.331e-08 au
q 2.113642806561133 1.163e-07 au
i 5.097379821799788 5.9307e-06 deg
node 127.0140265781487 7.1348e-05 deg
peri 343.1209424989867 8.428e-05 deg
M 157.1619231847055 4.4853e-05 deg
tp 2458644.916480633802
(2019-Jun-10.41648063)
0.00015689 TDB
period 1272.636927054961
3.48
1.1055e-05
3.027e-08
d
yr
n .282877223147284 2.4573e-09 deg/d
Q 2.48292909769674 1.4379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7729 days (21.16 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:50  

Additional Information
 Earth MOID = 1.1307 au 
 Jupiter MOID = 2.58057 au 
 T_jup = 3.584 
[ 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 18.16   n/a E2021B25  

305608 (2008 YG157)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2008 YG157 = 1999 FJ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 03:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin