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 ]  
312255 (2008 AY2)
Classification: Main-belt Asteroid          SPK-ID: 2312255
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02053957060935066 7.4073e-08  
a 2.754362718409882 3.7279e-08 au
q 2.69778929087134 2.2637e-07 au
i 6.93215528850723 7.0265e-06 deg
node 133.745007197446 4.4595e-05 deg
peri 214.5459291452652 0.00017147 deg
M 30.59640556692536 0.00016124 deg
tp 2458858.594890820115
(2020-Jan-10.09489082)
0.00074889 TDB
period 1669.668000478537
4.57
3.3897e-05
9.28e-08
d
yr
n .2156117263412977 4.3773e-09 deg/d
Q 2.810936145948425 3.8045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5606 days (15.35 yr)  
   first obs. used      2004-04-16  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:39  

Additional Information
 Earth MOID = 1.69069 au 
 Jupiter MOID = 2.27126 au 
 T_jup = 3.333 
[ 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 16.1   n/a MPO440461  

312255 (2008 AY2)          Discovered 2008-Jan-07 by LUSS at Lulin
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 08:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin