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JPL Small-Body Database Browser
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305252 (2007 XE55)
Classification: Main-belt Asteroid          SPK-ID: 2305252
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06823256010833838 6.7144e-08  
a 2.63286611987384 2.6239e-08 au
q 2.453218924092341 1.8028e-07 au
i 4.043340992149886 5.2338e-06 deg
node 245.9162275869934 0.0001142 deg
peri 239.7239942258533 0.00012487 deg
M 191.4424738916978 5.0131e-05 deg
tp 2459331.112736178659
(2021-Apr-26.61273618)
0.00021998 TDB
period 1560.420297431989
4.27
2.3327e-05
6.387e-08
d
yr
n .2307070733394447 3.4488e-09 deg/d
Q 2.81251331565534 2.8029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      6200 days (16.97 yr)  
   first obs. used      2002-10-05  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:20  

Additional Information
 Earth MOID = 1.47205 au 
 Jupiter MOID = 2.24018 au 
 T_jup = 3.392 
[ 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 16.7   n/a MPO450228  

305252 (2007 XE55)          Discovered 2007-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2007 XE55 = 2005 JO57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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