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 ]  
441678 (2008 YR15)
Classification: Main-belt Asteroid          SPK-ID: 2441678
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206515328642498 6.8257e-08  
a 2.439861094702189 2.249e-08 au
q 2.145488113650523 1.6368e-07 au
i 6.919951357737116 5.4243e-06 deg
node 112.1317470912881 6.0947e-05 deg
peri 284.0113116459825 6.6397e-05 deg
M 56.44288016137332 2.3328e-05 deg
tp 2458782.250757112659
(2019-Oct-25.75075711)
9.0872e-05 TDB
period 1392.021938193223
3.81
1.9247e-05
5.27e-08
d
yr
n .2586166138065773 3.5758e-09 deg/d
Q 2.734234075753855 2.5203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      4065 days (11.13 yr)  
   first obs. used      2008-12-04  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:18  

Additional Information
 Earth MOID = 1.16527 au 
 Jupiter MOID = 2.66236 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457746.5 (2016-Dec-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203583363841639 6.8364e-08  
q 2.145959969827969 1.6362e-07 au
tp 2457386.807540696002
(2015-Dec-30.30754070)
9.7361e-05 TDB
node 112.2362571503306 6.101e-05 deg
peri 283.1228452573312 6.6467e-05 deg
i 6.916656816311473 5.4208e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      4065 days (11.13 yr)  
   first obs. used      2008-12-04  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:18  

Additional Information
 Jupiter MOID = 2.66236 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.673589591040005E-15 -1.110846085979875E-14 -7.466731709035382E-13 1.582325013363517E-14 -1.573235870621108E-13 -1.39264359198715E-14
q -1.110846085979875E-14 2.677308563489503E-14 1.041760746814079E-12 -3.268269486472744E-14 1.900097289423294E-13 3.359605198597062E-14
tp -7.466731709035382E-13 1.041760746814079E-12 9.479105206812683E-9 -8.375393536041302E-12 2.627181344553169E-9 1.17295497807995E-12
node 1.582325013363517E-14 -3.268269486472744E-14 -8.375393536041302E-12 3.722197105425503E-9 -3.696978380280061E-9 -1.867651736870509E-11
peri -1.573235870621108E-13 1.900097289423294E-13 2.627181344553169E-9 -3.696978380280061E-9 4.417925503323865E-9 1.873760842429154E-11
i -1.39264359198715E-14 3.359605198597062E-14 1.17295497807995E-12 -1.867651736870509E-11 1.873760842429154E-11 2.938513635163701E-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 17.8   n/a MPO456092  

441678 (2008 YR15)          Discovered 2008-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 YR15 = 2011 QK41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 07:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin