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469684 (2004 XY169)
Classification: Outer Main-belt Asteroid          SPK-ID: 2469684
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2613348511342181 1.0422e-07  
a 3.210423868013636 1.0626e-07 au
q 2.371428224388552 3.7636e-07 au
i 10.03040682656601 1.1814e-05 deg
node 95.26508324883778 6.0827e-05 deg
peri 340.1083215561812 0.00010635 deg
M 244.6912304223366 6.6335e-05 deg
tp 2459673.479487887347
(2022-Apr-03.97948789)
0.00036223 TDB
period 2101.077103908114
5.75
0.00010432
2.856e-07
d
yr
n .1713406896540736 8.5069e-09 deg/d
Q 4.04941951163872 1.3403e-07 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1993-12-16  
   last obs. used      2017-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55734  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:40:05  

Additional Information
 Earth MOID = 1.38956 au 
 Jupiter MOID = 1.24719 au 
 T_jup = 3.114 
[ 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 16.1   n/a MPO402882  

469684 (2004 XY169)          Discovered 2004-Nov-04 by CSS at Catalina
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2004 XY169 = 2010 WK55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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