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469750 (2005 PU21)
Classification: TransNeptunian Object          SPK-ID: 2469750
Ephemeris | Orbit Diagram | Orbital Elements | 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8333330774599259 2.1228e-05  
a 175.9290707428994 0.023488 au
q 29.32155680605403 0.00034013 au
i 6.176680952332473 5.6146e-05 deg
node 192.4777177520702 0.00013664 deg
peri 227.5581294784627 0.0010493 deg
M 356.8936088860285 0.00065544 deg
tp 2466355.090127792444
(2040-Jul-19.59012779)
0.084958 TDB
period 852324.2402081937
2333.54
170.69
0.4673
d
yr
n .0004223744709080013 8.4584e-08 deg/d
Q 322.5365846797447 0.04306 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2000-08-26  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:18:29  

Additional Information
 Earth MOID = 28.3375 au 
 Jupiter MOID = 24.3018 au 
 T_jup = 6.421 
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Orbital Elements at Epoch 2457421.5 (2016-Feb-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8300036571353215 2.11e-05  
q 29.19880750826324 0.00034149 au
tp 2466413.502459027097
(2040-Sep-16.00245903)
0.085013 TDB
node 192.4659724512453 0.00013657 deg
peri 228.1248179526715 0.0010559 deg
i 6.187049411616903 5.6326e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2000-08-26  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:18:29  

Additional Information
 Jupiter MOID = 24.3018 au 
 T_jup = 6.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.45229469139653E-10 3.564204087760977E-9 -1.619721388211016E-6 -1.837546337751425E-11 -1.345867747676112E-8 2.606650766709625E-11
q 3.564204087760977E-9 1.166152355142062E-7 -2.326812252560394E-5 -1.210276798494479E-10 -3.536418602589407E-7 3.269752628346277E-10
tp -1.619721388211016E-6 -2.326812252560394E-5 .007227208025043026 6.287267048055807E-8 7.835406024498476E-5 -1.071423089466471E-7
node -1.837546337751425E-11 -1.210276798494479E-10 6.287267048055807E-8 1.865115384650238E-8 -1.806358275904889E-8 -7.330222277795336E-9
peri -1.345867747676112E-8 -3.536418602589407E-7 7.835406024498476E-5 -1.806358275904889E-8 1.114854029492805E-6 6.175669765429743E-9
i 2.606650766709625E-11 3.269752628346277E-10 -1.071423089466471E-7 -7.330222277795336E-9 6.175669765429743E-9 3.172621792003219E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.2   n/a MPO382969  

469750 (2005 PU21)          Discovered 2005-Aug-09 by Cerro Tololo at Cerro Tololo
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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