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312224 (2007 WM60)
Classification: Main-belt Asteroid          SPK-ID: 2312224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319373761317443 4.813e-08  
a 2.397976373504672 2.4635e-08 au
q 2.08159366275855 1.1966e-07 au
i 7.06121780221632 5.4145e-06 deg
node 90.69551054180828 4.4672e-05 deg
peri 188.4394014922621 5.4021e-05 deg
M 281.0158364274632 3.8358e-05 deg
tp 2459298.079698377727
(2021-Mar-24.57969838)
0.00014777 TDB
period 1356.331276681785
3.71
2.0901e-05
5.722e-08
d
yr
n .2654218819466634 4.0901e-09 deg/d
Q 2.714359084250793 2.7885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7421 days (20.32 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:44:39  

Additional Information
 Earth MOID = 1.06544 au 
 Jupiter MOID = 2.39901 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO471270  

312224 (2007 WM60)          Discovered 2007-Nov-17 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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