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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494678171684631 5.7268e-08  
a 2.573520880263732 2.712e-08 au
q 2.188862331853251 1.5934e-07 au
i 4.457469585587165 1.6238e-05 deg
node 83.71705379544522 0.00013196 deg
peri 233.6092883266051 0.00015031 deg
M 282.1012126945741 7.1672e-05 deg
tp 2458926.800821588173
(2020-Mar-18.30082159)
0.00030259 TDB
period 1507.960519477306
4.13
2.3837e-05
6.526e-08
d
yr
n .2387330406533351 3.7737e-09 deg/d
Q 2.958179428674214 3.1174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   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      .64337  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:56  

Additional Information
 Earth MOID = 1.17807 au 
 Jupiter MOID = 2.32155 au 
 T_jup = 3.408 
[ 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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