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JPL Small-Body Database Browser
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442741 (2012 WY1)
Classification: Main-belt Asteroid          SPK-ID: 2442741
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488984438183307 5.6748e-08  
a 2.57308479361124 2.7327e-08 au
q 2.189956472029915 1.588e-07 au
i 4.456807322842654 1.5829e-05 deg
node 83.71288136321891 0.00013198 deg
peri 233.4051257145149 0.00015009 deg
M 17.73577159318533 7.2146e-05 deg
tp 2458926.227650813199
(2020-Mar-17.72765081)
0.00030154 TDB
period 1507.577246739118
4.13
2.4017e-05
6.575e-08
d
yr
n .2387937339719594 3.8041e-09 deg/d
Q 2.956213115192564 3.1396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      10137 days (27.75 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:03  

Additional Information
 Earth MOID = 1.17994 au 
 Jupiter MOID = 2.32425 au 
 T_jup = 3.409 
[ 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 17.2   n/a MPO434644  

442741 (2012 WY1)          Discovered 2012-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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