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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159638494052268 5.0574e-08  
a 2.35229733119375 1.6544e-08 au
q 1.844286144603506 1.2072e-07 au
i 1.093141132430425 5.6391e-06 deg
node 259.6566537237389 0.00030717 deg
peri 96.51574807541959 0.00030744 deg
M 151.6538758619068 1.6602e-05 deg
tp 2458445.378862943897
(2018-Nov-22.87886294)
5.7225e-05 TDB
period 1317.761304842424
3.61
1.3902e-05
3.806e-08
d
yr
n .2731905988414559 2.8821e-09 deg/d
Q 2.860308517783994 2.0117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9660 days (26.45 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:47:38  

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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