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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08818177080177172 9.0101e-08  
a 2.400968690897256 2.5497e-08 au
q 2.189247020094324 2.2631e-07 au
i 5.657224004620711 6.3918e-06 deg
node 271.0728160933476 8.1268e-05 deg
peri 83.80658800494253 8.9747e-05 deg
M 32.55944485851722 3.9851e-05 deg
tp 2458477.599779283744
(2018-Dec-25.09977928)
0.00014998 TDB
period 1358.870817672383
3.72
2.1646e-05
5.926e-08
d
yr
n .2649258452813387 4.2201e-09 deg/d
Q 2.612690361700188 2.7746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1996-10-07  
   last obs. used      2018-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:43:26  

Additional Information
 Earth MOID = 1.19191 au 
 Jupiter MOID = 2.73074 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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