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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08059679317870277 5.1548e-08  
a 2.297695076564489 1.3345e-08 au
q 2.112508221690897 1.1639e-07 au
i 5.097205367549911 5.9305e-06 deg
node 127.0166084545036 7.1362e-05 deg
peri 343.0139129243491 8.4196e-05 deg
M 100.6708029160325 4.4509e-05 deg
tp 2458644.755619097489
(2019-Jun-10.25561910)		 0.00015626 TDB
period 1272.146177593547
3.48		 1.1083e-05
3.034e-08		 d
yr
n .282986347277318 2.4653e-09 deg/d
Q 2.48288193143808 1.442e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:22  

Additional Information
 Earth MOID = 1.12969 au 
 Jupiter MOID = 2.58174 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 18.2   n/a MPO460267  

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-Jan-26 06:38 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin