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305604 (2008 YW144)
Classification: Main-belt Asteroid          SPK-ID: 2305604
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08841674343887852 7.9618e-08  
a 2.401093540839945 2.2112e-08 au
q 2.188796669266751 1.9611e-07 au
i 5.657227836993742 6.3551e-06 deg
node 271.0722309282243 7.2405e-05 deg
peri 83.8312288009966 8.1638e-05 deg
M 138.4746234599488 4.0175e-05 deg
tp 2458477.767216277858
(2018-Dec-25.26721628)
0.00014956 TDB
period 1358.976810609633
3.72
1.8773e-05
5.14e-08
d
yr
n .2649051824795342 3.6594e-09 deg/d
Q 2.613390412413139 2.4068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      8509 days (23.30 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:13  

Additional Information
 Earth MOID = 1.19237 au 
 Jupiter MOID = 2.73188 au 
 T_jup = 3.514 
[ 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 17.4   n/a MPO455251  

305604 (2008 YW144)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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