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277002 (2004 XX72)
Classification: Main-belt Asteroid          SPK-ID: 2277002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06426678473388939 5.0454e-08  
a 2.758946834399163 3.1226e-08 au
q 2.581638192100586 1.4601e-07 au
i 7.671004661893009 5.1784e-06 deg
node 97.10921488800935 4.3535e-05 deg
peri 286.4158184243713 6.2341e-05 deg
M 174.173396585679 4.7764e-05 deg
tp 2458190.672081782610
(2018-Mar-13.17208178)
0.0002176 TDB
period 1673.838004386895
4.58
2.8417e-05
7.78e-08
d
yr
n .2150745765459323 3.6514e-09 deg/d
Q 2.936255476697739 3.3233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2002-05-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:25:23  

Additional Information
 Earth MOID = 1.59859 au 
 Jupiter MOID = 2.39047 au 
 T_jup = 3.326 
[ 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 15.6   n/a MPO418473  

277002 (2004 XX72)          Discovered 2004-Dec-09 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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