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351331 (2004 XH29)
Classification: Apollo [NEO]          SPK-ID: 2351331
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5030831424353882 6.2274e-08  
a 1.381017402531145 1.637e-08 au
q .6862508279078191 8.722e-08 au
i 22.62536452660288 1.2951e-05 deg
node 232.0706461156014 2.1629e-05 deg
peri 334.0694943956272 2.6505e-05 deg
M 124.2972473392487 1.0611e-05 deg
tp 2458795.829069529164
(2019-Nov-08.32906953)
1.6285e-05 TDB
period 592.7849292462565
1.62
1.054e-05
2.886e-08
d
yr
n .6073028888533832 1.0798e-08 deg/d
Q 2.075783977154471 2.4605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5082 days (13.91 yr)  
   first obs. used      2004-12-10  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59823  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-23 06:26:44  

Additional Information
 Earth MOID = .27317 au 
 Jupiter MOID = 2.94386 au 
 T_jup = 4.590 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .503119212516335 6.2247e-08  
q .6862866965729689 8.7201e-08 au
tp 2457017.227092370574
(2014-Dec-25.72709237)
3.207e-05 TDB
node 232.0915513264229 2.1632e-05 deg
peri 334.0382176232331 2.6509e-05 deg
i 22.6220020308859 1.2949e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5082 days (13.91 yr)  
   first obs. used      2004-12-10  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59823  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-23 06:26:44  

Additional Information
 Jupiter MOID = 2.94386 au 
 T_jup = 4.590 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.874676464247818E-15 -5.404784860009757E-15 4.564028024239871E-13 -2.113352450081233E-13 7.702701617814054E-13 2.002232906370999E-13
q -5.404784860009757E-15 7.604055087827887E-15 -8.560051532041016E-13 3.201684152675869E-13 -1.152906336258298E-12 -2.806316788511572E-13
tp 4.564028024239871E-13 -8.560051532041016E-13 1.028472523034902E-9 -1.073740153338894E-10 4.645644948425809E-10 1.02258913701745E-10
node -2.113352450081233E-13 3.201684152675869E-13 -1.073740153338894E-10 4.679528367660596E-10 -4.801089790672237E-10 1.008755256237145E-10
peri 7.702701617814054E-13 -1.152906336258298E-12 4.645644948425809E-10 -4.801089790672237E-10 7.027038341043943E-10 -2.904640164294477E-11
i 2.002232906370999E-13 -2.806316788511572E-13 1.02258913701745E-10 1.008755256237145E-10 -2.904640164294477E-11 1.676713404728854E-10

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 18.7   n/a MPO434217  

351331 (2004 XH29)          Discovered 2004-Dec-10 by CSS at Catalina
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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