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259120 (2002 XM26)
Classification: Inner Main-belt Asteroid          SPK-ID: 2259120
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09232071857442908 7.7043e-08  
a 1.978081334859362 9.5551e-09 au
q 1.795463444626479 1.4891e-07 au
i 16.76871916546916 9.0813e-06 deg
node 274.6049988956078 1.4959e-05 deg
peri 201.1650387014111 3.8119e-05 deg
M 52.73826825522706 3.0791e-05 deg
tp 2458851.636574440673
(2020-Jan-03.13657444)
8.7205e-05 TDB
period 1016.165964001785
2.78
7.3629e-06
2.016e-08
d
yr
n .3542728380532214 2.567e-09 deg/d
Q 2.160699225092244 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6299 days (17.25 yr)  
   first obs. used      2002-11-25  
   last obs. used      2020-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:16  

Additional Information
 Earth MOID = .817923 au 
 Jupiter MOID = 2.98666 au 
 T_jup = 3.806 
[ 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 16.8   n/a MPO454929  
rotation period rot_per 20.498 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

259120 (2002 XM26)          Discovered 2002-Dec-03 by NEAT at Palomar
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

Alternate Designations
 2002 XM26 = 2005 WR158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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