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469257 (2016 JN29)
Classification: Main-belt Asteroid          SPK-ID: 2469257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075074271821033 7.5893e-08  
a 2.304261699592176 2.1649e-08 au
q 1.826110282755543 1.6791e-07 au
i 8.045558911578874 6.3893e-06 deg
node 299.1809134528593 4.1176e-05 deg
peri 257.7013403217002 4.418e-05 deg
M 71.97200630036448 1.5811e-05 deg
tp 2458745.078625717820
(2019-Sep-18.57862572)
5.4448e-05 TDB
period 1277.603605460683
3.50
1.8005e-05
4.93e-08
d
yr
n .2817775391845344 3.971e-09 deg/d
Q 2.782413116428809 2.6141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5711 days (15.64 yr)  
   first obs. used      2004-12-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:42:49  

Additional Information
 Earth MOID = .845459 au 
 Jupiter MOID = 2.25105 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457702.5 (2016-Nov-10.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074667958846573 7.6031e-08  
q 1.825411823847013 1.6816e-07 au
tp 2457467.334301162386
(2016-Mar-19.83430116)
4.9125e-05 TDB
node 299.2084070537844 4.1191e-05 deg
peri 257.4863541114253 4.4186e-05 deg
i 8.044935134275997 6.3887e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5711 days (15.64 yr)  
   first obs. used      2004-12-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:42:49  

Additional Information
 Jupiter MOID = 2.25105 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.780788280032504E-15 -1.273191406742669E-14 -4.420569153252472E-13 -4.815029597501357E-15 -4.090168469118929E-13 -3.634461430980693E-14
q -1.273191406742669E-14 2.827681755711844E-14 1.125794029156778E-12 9.406988394547467E-15 9.598855911916357E-13 8.104647722572284E-14
tp -4.420569153252472E-13 1.125794029156778E-12 2.413277222948828E-9 6.461320101410898E-12 7.86964467909522E-10 -8.140493517756265E-13
node -4.815029597501357E-15 9.406988394547467E-15 6.461320101410898E-12 1.696729701160302E-9 -1.677922235537593E-9 -5.387304859128007E-14
peri -4.090168469118929E-13 9.598855911916357E-13 7.86964467909522E-10 -1.677922235537593E-9 1.95236732566743E-9 1.532559243488077E-12
i -3.634461430980693E-14 8.104647722572284E-14 -8.140493517756265E-13 -5.387304859128007E-14 1.532559243488077E-12 4.081531537528556E-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 17.4   n/a MPO437767  

469257 (2016 JN29)          Discovered 2004-Dec-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2016 JN29 = 2004 XB184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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