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118327 (1998 YZ20)
Classification: Main-belt Asteroid          SPK-ID: 2118327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909133137757106 4.6825e-08  
a 2.341066170717804 1.056e-08 au
q 1.894125470297855 1.135e-07 au
i 3.443644042722827 4.815e-06 deg
node 131.1745103752714 6.6949e-05 deg
peri 217.6565843021456 6.8041e-05 deg
M 54.39167696553385 1.0956e-05 deg
tp 2458802.826291998676
(2019-Nov-15.32629200)
3.9589e-05 TDB
period 1308.335003636123
3.58
8.8527e-06
2.424e-08
d
yr
n .2751588843831957 1.8618e-09 deg/d
Q 2.788006871137754 1.2577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      9720 days (26.61 yr)  
   first obs. used      1993-03-23  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54752  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:05:39  

Additional Information
 Earth MOID = .888941 au 
 Jupiter MOID = 2.63271 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO436568  

118327 (1998 YZ20)          Discovered 1998-Dec-26 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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