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 ]  
447949 (2008 AU137)
Classification: Main-belt Asteroid          SPK-ID: 2447949
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334277128261158 5.8812e-08  
a 2.622956520534359 2.9134e-08 au
q 2.272981431157112 1.6967e-07 au
i 1.638229280676135 5.4053e-06 deg
node 271.715381667737 0.00029363 deg
peri 176.1166047706547 0.00029603 deg
M 355.639489678476 3.9977e-05 deg
tp 2459019.294028550553
(2020-Jun-18.79402855)
0.0001725 TDB
period 1551.618911392516
4.25
2.5852e-05
7.078e-08
d
yr
n .2320157336036298 3.8656e-09 deg/d
Q 2.972931609911606 3.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4813 days (13.18 yr)  
   first obs. used      2006-08-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:35  

Additional Information
 Earth MOID = 1.28939 au 
 Jupiter MOID = 2.21578 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312249058920512 5.8461e-08  
q 2.27888593329644 1.6834e-07 au
tp 2457466.609327385108
(2016-Mar-19.10932739)
0.00016169 TDB
node 271.9129662002697 0.00029461 deg
peri 175.8030886841039 0.00029711 deg
i 1.634727927656901 5.3908e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4813 days (13.18 yr)  
   first obs. used      2006-08-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:35  

Additional Information
 Jupiter MOID = 2.21578 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.417683267375094E-15 -9.764142666676751E-15 -5.43806241507245E-12 -1.027422811113268E-13 -1.221921253301576E-12 -9.067744757747921E-16
q -9.764142666676751E-15 2.833767474397713E-14 1.632537397211233E-11 3.077517504713415E-13 3.681904618465733E-12 2.998085792136215E-15
tp -5.43806241507245E-12 1.632537397211233E-11 2.614274895462619E-8 2.541527809958738E-10 6.329010895587183E-9 3.82457043326645E-12
node -1.027422811113268E-13 3.077517504713415E-13 2.541527809958738E-10 8.679564364127385E-8 -8.66961434489164E-8 -6.640785517574297E-10
peri -1.221921253301576E-12 3.681904618465733E-12 6.329010895587183E-9 -8.66961434489164E-8 8.827279460047242E-8 6.647624160960474E-10
i -9.067744757747921E-16 2.998085792136215E-15 3.82457043326645E-12 -6.640785517574297E-10 6.647624160960474E-10 2.906112288931471E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO503583  

447949 (2008 AU137)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-03 19:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin