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JPL Small-Body Database Browser
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71224 (1999 YW12)
Classification: Main-belt Asteroid          SPK-ID: 2071224
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560123584912521 4.1416e-08  
a 2.695744088692722 2.0432e-08 au
q 2.275174695526919 1.1455e-07 au
i 11.41513138729328 5.0616e-06 deg
node 260.4449339367916 3.4271e-05 deg
peri 42.063340671882 4.1667e-05 deg
M 257.1510510947545 2.3404e-05 deg
tp 2459062.363642253566
(2020-Jul-31.86364225)
0.00010535 TDB
period 1616.651535879756
4.43
1.838e-05
5.032e-08
d
yr
n .2226824965122083 2.5317e-09 deg/d
Q 3.116313481858524 2.362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:38  

Additional Information
 Earth MOID = 1.2726 au 
 Jupiter MOID = 2.10889 au 
 T_jup = 3.324 
[ 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 15.2   n/a MPO432266  

71224 (1999 YW12)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YW12 = 2002 LF19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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