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55637 (2002 UX25)
Classification: TransNeptunian Object          SPK-ID: 2055637
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398105697629359 5.4873e-06  
a 42.71508834880051 0.00062163 au
q 36.74306750928056 0.00044116 au
i 19.41138716921181 3.474e-05 deg
node 204.5854032019802 3.297e-05 deg
peri 276.4409708618709 0.0042205 deg
M 302.9010276616948 0.0040381 deg
tp 2475569.708354753129
(2065-Oct-11.20835475)
0.79138 TDB
period 101969.5236056843
279.18
2.2259
0.006094
d
yr
n .003530466626402203 7.7068e-08 deg/d
Q 48.68710918832045 0.00070854 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      10715 days (29.34 yr)  
   first obs. used      1991-10-12  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .41872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:11:18  

Additional Information
 Earth MOID = 35.816 au 
 Jupiter MOID = 31.8125 au 
 T_jup = 5.473 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.91   n/a MPCxxxxx  
rotation period rot_per 14.382 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:
[Rousselot, P.; Petit, J.-M.; Poulet, F.; Sergeev, A. (2005) Icarus 176, 478-491.]

55637 (2002 UX25)          Discovered 2002-Oct-30 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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