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295955 (2008 XL55)
Classification: Main-belt Asteroid          SPK-ID: 2295955
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159638426306727 5.1737e-08  
a 2.352297333014997 1.6804e-08 au
q 1.844286161967195 1.2392e-07 au
i 1.093143251910407 5.852e-06 deg
node 259.6566061575087 0.00030954 deg
peri 96.51579426261132 0.00030983 deg
M 151.6538759563888 1.6604e-05 deg
tp 2458445.378861953353
(2018-Nov-22.87886195)
5.7258e-05 TDB
period 1317.761306372822
3.61
1.412e-05
3.866e-08
d
yr
n .2731905985241825 2.9273e-09 deg/d
Q 2.860308504062798 2.0433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:50  

Additional Information
 Earth MOID = .840306 au 
 Jupiter MOID = 2.58843 au 
 T_jup = 3.525 
[ 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 MPO455188  

295955 (2008 XL55)          Discovered 2008-Dec-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 XL55 = 1993 TZ44 = 2004 VN28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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