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 ]  
452317 (1999 XK219)
Classification: Mars-crossing Asteroid          SPK-ID: 2452317
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362936248430314 5.1048e-07  
a 1.926718727670874 1.1074e-08 au
q 1.664119248223657 9.8496e-07 au
i 25.13440266364669 2.4721e-05 deg
node 98.9973424033775 2.1722e-05 deg
peri 322.2765882008184 8.4476e-05 deg
M 263.611156038475 6.945e-05 deg
tp 2459262.047260684459
(2021-Feb-16.54726068)
0.00018836 TDB
period 976.8455557366076
2.67
8.4214e-06
2.306e-08
d
yr
n .3685331809986438 3.1771e-09 deg/d
Q 2.18931820711809 1.2583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      5912 days (16.19 yr)  
   first obs. used      1999-12-15  
   last obs. used      2016-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67552  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:51:08  

Additional Information
 Earth MOID = .709729 au 
 Jupiter MOID = 3.08419 au 
 T_jup = 3.792 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455892.5 (2011-Nov-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366056961046939 5.1123e-07  
q 1.663362425431784 9.872e-07 au
tp 2456331.925900075914
(2013-Feb-08.42590008)
0.00019035 TDB
node 99.03551176576978 2.1727e-05 deg
peri 322.2219559495861 8.4144e-05 deg
i 25.13065362670786 2.4716e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      5912 days (16.19 yr)  
   first obs. used      1999-12-15  
   last obs. used      2016-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67552  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:51:08  

Additional Information
 Jupiter MOID = 3.08419 au 
 T_jup = 3.792 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.613533172563521E-13 -5.046591450371215E-13 3.105337200008817E-11 1.218387273886657E-12 -9.301351215005694E-12 -2.612597373177592E-12
q -5.046591450371215E-13 9.745569456315135E-13 -6.017424843707405E-11 -2.356089518298187E-12 1.784778374331145E-11 5.055509924648302E-12
tp 3.105337200008817E-11 -6.017424843707405E-11 3.62337120443221E-8 2.5169096729581E-10 1.32258719190476E-8 -1.034625868984481E-9
node 1.218387273886657E-12 -2.356089518298187E-12 2.5169096729581E-10 4.720586379944466E-10 -4.100157307741287E-10 1.713569727932293E-10
peri -9.301351215005694E-12 1.784778374331145E-11 1.32258719190476E-8 -4.100157307741287E-10 7.080229113712114E-9 -3.995509553922256E-10
i -2.612597373177592E-12 5.055509924648302E-12 -1.034625868984481E-9 1.713569727932293E-10 -3.995509553922256E-10 6.108954621887501E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO357285  

452317 (1999 XK219)          Discovered 1999-Dec-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

Alternate Designations
 1999 XK219 = 2007 YD40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 16:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin