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469247 (2016 JW19)
Classification: Main-belt Asteroid          SPK-ID: 2469247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164808427368728 5.5579e-08  
a 3.104271394878455 4.4424e-08 au
q 2.742683246719045 1.7811e-07 au
i 10.51038479176079 5.7861e-06 deg
node 69.32846077515789 3.5585e-05 deg
peri 250.26511377 4.5438e-05 deg
M 257.7330010365947 3.2938e-05 deg
tp 2459964.006659648546
(2023-Jan-19.50665965)
0.00018864 TDB
period 1997.735335389895
5.47
4.2883e-05
1.174e-07
d
yr
n .1802040508682995 3.8682e-09 deg/d
Q 3.465859543037865 4.9598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2001-10-15  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:23:44  

Additional Information
 Earth MOID = 1.75145 au 
 Jupiter MOID = 1.84429 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458018.5 (2017-Sep-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154340132606525 5.5538e-08  
q 2.746788441720576 1.7799e-07 au
tp 2457963.126168978992
(2017-Jul-28.62616898)
0.00017263 TDB
node 69.35318254761739 3.5576e-05 deg
peri 249.92207882755 4.5611e-05 deg
i 10.51050695421048 5.786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2001-10-15  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:23:44  

Additional Information
 Jupiter MOID = 1.84429 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.084501460532162E-15 -9.643742822454522E-15 8.457088001111081E-13 -4.794858390545353E-15 1.737922578935064E-13 2.128231980257628E-15
q -9.643742822454522E-15 3.168149397281796E-14 -5.620975726483559E-13 2.084895169488498E-14 -1.955632576605367E-13 -1.083108013524761E-15
tp 8.457088001111081E-13 -5.620975726483559E-13 2.980212704287223E-8 6.504943172081913E-11 4.997434116222595E-9 1.209432806671396E-11
node -4.794858390545353E-15 2.084895169488498E-14 6.504943172081913E-11 1.265635530280109E-9 -1.233285197441684E-9 -1.143092997211439E-11
peri 1.737922578935064E-13 -1.955632576605367E-13 4.997434116222595E-9 -1.233285197441684E-9 2.08038415862514E-9 1.344103295482414E-11
i 2.128231980257628E-15 -1.083108013524761E-15 1.209432806671396E-11 -1.143092997211439E-11 1.344103295482414E-11 3.347733849956099E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.97   n/a MPCxxxxx  

469247 (2016 JW19)          Discovered 2005-Apr-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2016 JW19 = 2005 GC149 = 2015 AZ242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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