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469497 (2002 XO61)
Classification: Main-belt Asteroid          SPK-ID: 2469497
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3078466469582847 9.2916e-08  
a 2.901171731721013 2.5421e-08 au
q 2.008055741860538 2.6201e-07 au
i 2.386391591624261 1.1655e-05 deg
node 123.9659629555745 0.00019952 deg
peri 291.0406364317507 0.00020115 deg
M 202.6842575259455 2.366e-05 deg
tp 2459789.229829795805
(2022-Jul-28.72982980)
0.00012731 TDB
period 1804.922598724152
4.94
2.3723e-05
6.495e-08
d
yr
n .1994545363078027 2.6215e-09 deg/d
Q 3.794287721581487 3.3247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      7816 days (21.40 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:57:59  

Additional Information
 Earth MOID = 1.02121 au 
 Jupiter MOID = 1.58748 au 
 T_jup = 3.213 
[ 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 16.7   n/a MPO434688  

469497 (2002 XO61)          Discovered 2002-Dec-10 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2002 XO61 = 1997 WC55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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