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442757 (2012 WU33)
Classification: Main-belt Asteroid          SPK-ID: 2442757
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005449360917858 8.1515e-08  
a 2.52325638159329 5.2961e-08 au
q 2.269555729962802 2.313e-07 au
i 4.954336413010601 1.1891e-05 deg
node 98.41664539175355 8.1321e-05 deg
peri 246.7126481533734 9.9898e-05 deg
M 32.66411517769782 5.5174e-05 deg
tp 2458867.666108825223
(2020-Jan-19.16610883)
0.00022453 TDB
period 1463.998046871025
4.01
4.6092e-05
1.262e-07
d
yr
n .2459019674031814 7.7419e-09 deg/d
Q 2.776957033223778 5.8286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3864 days (10.58 yr)  
   first obs. used      2008-12-05  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Earth MOID = 1.26724 au 
 Jupiter MOID = 2.57007 au 
 T_jup = 3.443 
[ 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 MPO440833  

442757 (2012 WU33)          Discovered 2008-Dec-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 WU33 = 2008 YD174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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