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79468 (1997 YZ20)
Classification: Main-belt Asteroid          SPK-ID: 2079468
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05792787768076474 5.9219e-08  
a 2.979008913690763 2.2007e-08 au
q 2.806441249728576 1.7579e-07 au
i 9.313148497000853 5.2597e-06 deg
node 292.0770174187359 3.6154e-05 deg
peri 206.878995877216 6.7566e-05 deg
M 103.306760824123 5.4007e-05 deg
tp 2458461.569981393448
(2018-Dec-09.06998139)
0.00028266 TDB
period 1878.045591117348
5.14
2.081e-05
5.697e-08
d
yr
n .1916886372208979 2.1241e-09 deg/d
Q 3.151576577652949 2.3282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10034 days (27.47 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:02:47  

Additional Information
 Earth MOID = 1.82395 au 
 Jupiter MOID = 1.92501 au 
 T_jup = 3.238 
[ 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 14.4   n/a MPO280273  

79468 (1997 YZ20)          Discovered 1997-Dec-29 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1997 YZ20 = 2001 QW201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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