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469921 (2005 YZ169)
Classification: Main-belt Asteroid          SPK-ID: 2469921
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060215091458262 4.5368e-08  
a 2.552413257070862 3.6958e-08 au
q 2.281802551592395 1.1989e-07 au
i 11.6152471845212 7.0278e-06 deg
node 123.7204688238648 4.8762e-05 deg
peri 150.095733683505 7.8933e-05 deg
M 29.16196452804199 6.055e-05 deg
tp 2458879.846703859844
(2020-Jan-31.34670386)
0.00025077 TDB
period 1489.446520953315
4.08
3.235e-05
8.857e-08
d
yr
n .2417005209220827 5.2496e-09 deg/d
Q 2.823023962549328 4.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2003-06-05  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61204  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:48  

Additional Information
 Earth MOID = 1.27258 au 
 Jupiter MOID = 2.3358 au 
 T_jup = 3.403 
[ 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 16.8   n/a MPO477210  

469921 (2005 YZ169)          Discovered 2005-Dec-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 YZ169 = 2013 YJ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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