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JPL Small-Body Database Browser
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423648 (2005 YD9)
Classification: Main-belt Asteroid          SPK-ID: 2423648
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2779084743784422 1.1512e-07  
a 2.693870033400849 2.5137e-08 au
q 1.945220722244616 3.2018e-07 au
i 3.33144230859453 7.5594e-06 deg
node 286.4673012925743 0.00015066 deg
peri 95.08655711279864 0.00015573 deg
M 125.7909557527937 2.5664e-05 deg
tp 2458436.199673156902
(2018-Nov-13.69967316)
0.00011352 TDB
period 1614.966008070921
4.42
2.2604e-05
6.189e-08
d
yr
n .2229149085496978 3.12e-09 deg/d
Q 3.442519344557083 3.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      4771 days (13.06 yr)  
   first obs. used      2005-11-21  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47697  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:20:28  

Additional Information
 Earth MOID = .951688 au 
 Jupiter MOID = 2.04555 au 
 T_jup = 3.312 
[ 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 17.5   n/a MPO322150  

423648 (2005 YD9)          Discovered 2005-Dec-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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