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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157174256955394 6.2302e-08  
a 2.352500945688616 1.909e-08 au
q 1.845025497738346 1.5246e-07 au
i 1.09314523290429 6.654e-06 deg
node 259.6573440204473 0.00033287 deg
peri 96.53191081562825 0.00033321 deg
M 42.3929877978192 1.5961e-05 deg
tp 2458445.302521051311
(2018-Nov-22.80252105)
5.7571e-05 TDB
period 1317.932406368449
3.61
1.6042e-05
4.392e-08
d
yr
n .2731551316747546 3.3248e-09 deg/d
Q 2.859976393638886 2.3208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1993-10-10  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:59:48  

Additional Information
 Earth MOID = .840154 au 
 Jupiter MOID = 2.58517 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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