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357593 (2004 XM20)
Classification: Main-belt Asteroid          SPK-ID: 2357593
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955683364400649 5.5293e-08  
a 2.399472561213267 1.2853e-08 au
q 1.930211704083207 1.3364e-07 au
i 2.46766319886713 6.6128e-06 deg
node 70.54131967364675 0.00012112 deg
peri 26.54680525006586 0.00012297 deg
M 47.95052575596272 1.7149e-05 deg
tp 2458819.673123143179
(2019-Dec-02.17312314)
6.4394e-05 TDB
period 1357.600873862381
3.72
1.0908e-05
2.986e-08
d
yr
n .2651736654940405 2.1306e-09 deg/d
Q 2.868733418343328 1.5367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-01-08  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:33  

Additional Information
 Earth MOID = .947412 au 
 Jupiter MOID = 2.30474 au 
 T_jup = 3.499 
[ 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 17.4   n/a MPO455582  

357593 (2004 XM20)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2004 XM20 = 2009 BL25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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