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227012 (2004 XJ129)
Classification: Main-belt Asteroid          SPK-ID: 2227012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560471915896058 4.0135e-08  
a 3.114184521952185 2.4759e-08 au
q 2.628224773209727 1.3242e-07 au
i 11.50628987322139 5.6026e-06 deg
node 67.00831474721943 1.9801e-05 deg
peri 94.40690019414278 2.7548e-05 deg
M 284.7431736629724 2.0214e-05 deg
tp 2459620.122086192076
(2022-Feb-09.62208619)
0.00011551 TDB
period 2007.312271615436
5.50
2.3938e-05
6.554e-08
d
yr
n .1793442929087863 2.1388e-09 deg/d
Q 3.600144270694642 2.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:29  

Additional Information
 Earth MOID = 1.66751 au 
 Jupiter MOID = 1.55059 au 
 T_jup = 3.168 
[ show covariance matrix ]

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 MPO413102  

227012 (2004 XJ129)          Discovered 2004-Dec-14 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 XJ129 = 2000 EV168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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