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452238 (2015 SU18)
Classification: Main-belt Asteroid          SPK-ID: 2452238
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203622700589301 1.1903e-07  
a 2.226117678457561 2.5331e-08 au
q 1.772829584940447 2.5548e-07 au
i 6.243746528761404 6.9538e-06 deg
node 125.0718479516275 9.3077e-05 deg
peri 214.5469589697881 9.4877e-05 deg
M 166.2752535464189 2.441e-05 deg
tp 2458440.167616309124
(2018-Nov-17.66761631)
7.6631e-05 TDB
period 1213.16704576488
3.32
2.0707e-05
5.669e-08
d
yr
n .2967439655212746 5.0649e-09 deg/d
Q 2.679405771974675 3.0489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:34:00  

Additional Information
 Earth MOID = .767655 au 
 Jupiter MOID = 2.70991 au 
 T_jup = 3.611 
[ 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 17.9   n/a MPO361090  

452238 (2015 SU18)          Discovered 2005-Aug-27 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 SU18 = 2012 XF146 = 2014 DD79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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