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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05745790926346088 5.87e-08  
a 2.981778717158937 2.1689e-08 au
q 2.8104519461847 1.7338e-07 au
i 9.311754571030034 5.2395e-06 deg
node 292.079267566339 3.5887e-05 deg
peri 207.7224852898526 6.7188e-05 deg
M 140.7576110531048 5.3792e-05 deg
tp 2458465.172294821681
(2018-Dec-12.67229482)
0.00028197 TDB
period 1880.665435308664
5.15
2.052e-05
5.618e-08
d
yr
n .1914216070764948 2.0886e-09 deg/d
Q 3.153105488133174 2.2936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      10066 days (27.56 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:42:00  

Additional Information
 Earth MOID = 1.82795 au 
 Jupiter MOID = 1.92253 au 
 T_jup = 3.237 
[ 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 14.44   n/a E2021B10  

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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