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 ]  
437854 (1999 XW16)
Classification: Main-belt Asteroid          SPK-ID: 2437854
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 .2870439199469182 7.891e-08  
a 2.623515302084452 2.3498e-08 au
q 1.870451185733407 2.0486e-07 au
i 29.20106632693149 1.5872e-05 deg
node 256.1751291696061 1.6455e-05 deg
peri 112.2849137586128 3.1552e-05 deg
M 336.9379351546865 2.7663e-05 deg
tp 2459099.930475770156
(2020-Sep-07.43047577)
0.00012006 TDB
period 1552.114761507581
4.25
2.0852e-05
5.709e-08
d
yr
n .2319416121333253 3.1161e-09 deg/d
Q 3.376579418435497 3.0242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      7545 days (20.66 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:40:58  

Additional Information
 Earth MOID = 1.02571 au 
 Jupiter MOID = 2.50168 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2891159953280387 7.9575e-08  
q 1.863909611825041 2.0724e-07 au
tp 2457549.201357692621
(2016-Jun-09.70135769)
0.00010851 TDB
node 256.2013006269152 1.6463e-05 deg
peri 112.4675854987654 3.1377e-05 deg
i 29.20756441417785 1.5873e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      7545 days (20.66 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:40:58  

Additional Information
 Jupiter MOID = 2.50168 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.332102727757464E-15 -1.644175847536074E-14 3.912561535143743E-12 -2.543573395277495E-15 1.095503770752227E-12 -8.500999366017689E-14
q -1.644175847536074E-14 4.294819572240061E-14 -9.527094734354998E-12 5.472622773989412E-15 -2.73266931677572E-12 2.173250610169339E-13
tp 3.912561535143743E-12 -9.527094734354998E-12 1.177478485499117E-8 -5.098106571056095E-13 2.910611904638825E-9 -1.171210519211964E-10
node -2.543573395277495E-15 5.472622773989412E-15 -5.098106571056095E-13 2.710244007185036E-10 -2.340936423743139E-10 2.749481108849223E-11
peri 1.095503770752227E-12 -2.73266931677572E-12 2.910611904638825E-9 -2.340936423743139E-10 9.845466593641722E-10 -5.319975126153831E-11
i -8.500999366017689E-14 2.173250610169339E-13 -1.171210519211964E-10 2.749481108849223E-11 -5.319975126153831E-11 2.519593513161687E-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 16.1   n/a MPO434613  

437854 (1999 XW16)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

Alternate Designations
 1999 XW16 = 2003 TC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-28 09:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin