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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161779774214651 6.156e-08  
a 3.105633419898697 4.8621e-08 au
q 2.744827210562359 1.8964e-07 au
i 10.50972285322194 6.4881e-06 deg
node 69.34329541536778 3.7455e-05 deg
peri 250.0651255602696 4.7074e-05 deg
M 186.5962406598704 3.2354e-05 deg
tp 2459963.396752566841
(2023-Jan-18.89675257)
0.00018959 TDB
period 1999.050264210977
5.47
4.6945e-05
1.285e-07
d
yr
n .1800855168302092 4.229e-09 deg/d
Q 3.466439629235035 5.4269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2001-10-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:56:32  

Additional Information
 Earth MOID = 1.75409 au 
 Jupiter MOID = 1.84402 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457781.5 (2017-Jan-28.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152413940628543 6.157e-08  
q 2.746793423637993 1.8948e-07 au
tp 2457963.123830744490
(2017-Jul-28.62383074)
0.00017297 TDB
node 69.35584614229019 3.745e-05 deg
peri 249.9174766641497 4.7221e-05 deg
i 10.51089097604785 6.4885e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2001-10-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:56:32  

Additional Information
 Jupiter MOID = 1.84402 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.790840547256535E-15 -1.137130168680955E-14 6.796061131342581E-13 -1.429251671110082E-14 1.009968860926638E-13 1.946653279466556E-15
q -1.137130168680955E-14 3.590433032837844E-14 -1.398817091948822E-13 4.940632299734055E-14 -1.997309064059875E-14 7.735661534108055E-16
tp 6.796061131342581E-13 -1.398817091948822E-13 2.991735266405869E-8 4.887649305226761E-11 5.047655552248423E-9 7.252863177497094E-12
node -1.429251671110082E-14 4.940632299734055E-14 4.887649305226761E-11 1.402478939662652E-9 -1.370203033590978E-9 2.247494250563027E-11
peri 1.009968860926638E-13 -1.997309064059875E-14 5.047655552248423E-9 -1.370203033590978E-9 2.229811556765596E-9 -2.080145917061396E-11
i 1.946653279466556E-15 7.735661534108055E-16 7.252863177497094E-12 2.247494250563027E-11 -2.080145917061396E-11 4.210008476414543E-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 15.8   n/a MPO380677  

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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