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226571 (2003 XX8)
Classification: Main-belt Asteroid          SPK-ID: 2226571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213333659893119 5.2225e-08  
a 3.111196226468361 3.3743e-08 au
q 2.447473348830204 1.7774e-07 au
i 15.65234686459432 7.6944e-06 deg
node 17.99873425912235 1.5124e-05 deg
peri 45.50784519028375 2.3749e-05 deg
M 3.608695803813075 1.6503e-05 deg
tp 2458980.407345993766
(2020-May-10.90734599)
9.1753e-05 TDB
period 2004.423713021506
5.49
3.2609e-05
8.928e-08
d
yr
n .179602744500228 2.9218e-09 deg/d
Q 3.774919104106517 4.0941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7939 days (21.74 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:33:38  

Additional Information
 Earth MOID = 1.48559 au 
 Jupiter MOID = 1.812 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457882.5 (2017-May-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115516672200375 5.189e-08  
q 2.454918979094321 1.7605e-07 au
tp 2456975.397015716036
(2014-Nov-13.89701572)
8.6141e-05 TDB
node 18.03070107711134 1.5105e-05 deg
peri 45.47703555631556 2.3927e-05 deg
i 15.65762314673068 7.6964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7939 days (21.74 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:33:38  

Additional Information
 Jupiter MOID = 1.812 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.692611098994971E-15 -9.05747944636474E-15 -2.144512028870162E-12 2.467415575143701E-14 -5.331497707439352E-13 -1.330596361261473E-14
q -9.05747944636474E-15 3.099482681874189E-14 6.707725425970648E-12 -8.643644248372412E-14 1.751310453580816E-12 4.754730288140571E-14
tp -2.144512028870162E-12 6.707725425970648E-12 7.420296956831547E-9 -2.678161797266583E-11 1.584836056137718E-9 2.023881870695336E-12
node 2.467415575143701E-14 -8.643644248372412E-14 -2.678161797266583E-11 2.281531072426825E-10 -2.258399026645149E-10 -1.749234574730304E-11
peri -5.331497707439352E-13 1.751310453580816E-12 1.584836056137718E-9 -2.258399026645149E-10 5.72500053039974E-10 1.796247155475517E-11
i -1.330596361261473E-14 4.754730288140571E-14 2.023881870695336E-12 -1.749234574730304E-11 1.796247155475517E-11 5.92348475260763E-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 15.0   n/a MPO454627  

226571 (2003 XX8)          Discovered 2003-Dec-04 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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