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385533 (2004 QD29)
Classification: TransNeptunian Object          SPK-ID: 2385533
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172481964897916 0.00023498  
a 43.33013963764196 0.01408 au
q 38.24975891147761 0.0073651 au
i 23.79712851468454 0.0006909 deg
node 135.2096598408219 0.00013357 deg
peri 117.5684022710053 0.088277 deg
M 71.35180385980215 0.099304 deg
tp 2438352.118478320226
(1963-Nov-18.61847832)
19.086 TDB
period 104179.8096991424
285.23
50.779
0.139
d
yr
n .003455564000737118 1.6843e-06 deg/d
Q 48.41052036380631 0.015731 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      3335 days (9.13 yr)  
   first obs. used      2004-08-19  
   last obs. used      2013-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32402  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:51  

Additional Information
 Earth MOID = 37.3031 au 
 Jupiter MOID = 33.3076 au 
 T_jup = 5.364 
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Orbital Elements at Epoch 2453972.5 (2006-Aug-25.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11710692309235 0.00023003  
q 38.05394997783502 0.0076192 au
tp 2437705.286401333686
(1962-Feb-09.78640133)
19.493 TDB
node 135.2702206484811 0.00013286 deg
peri 114.5825769802885 0.090663 deg
i 23.8646898564486 0.00069235 deg
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      3335 days (9.13 yr)  
   first obs. used      2004-08-19  
   last obs. used      2013-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32402  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:51  

Additional Information
 Jupiter MOID = 33.3076 au 
 T_jup = 5.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.291384345644816E-8 -6.139182511121426E-8 .002580844818527958 2.200284064840734E-9 9.624297133139077E-6 2.130926778597879E-8
q -6.139182511121426E-8 5.805205233631244E-5 .1182175879650635 2.994018436401316E-8 .0006007756097525283 3.281424079310447E-7
tp .002580844818527958 .1182175879650635 379.9941108484374 .0001746453328992705 1.751479546670962 .00177089664901274
node 2.200284064840734E-9 2.994018436401316E-8 .0001746453328992705 1.765075253944358E-8 7.247768360982651E-7 6.76252406131307E-8
peri 9.624297133139077E-6 .0006007756097525283 1.751479546670962 7.247768360982651E-7 .008219786542135357 7.515518303216987E-6
i 2.130926778597879E-8 3.281424079310447E-7 .00177089664901274 6.76252406131307E-8 7.515518303216987E-6 4.793506901369797E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.0   n/a E2014B19  

385533 (2004 QD29)          Discovered 2004-Aug-19 by Gladman, B. at Mauna Kea
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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