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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392863435684218 5.4345e-06  
a 42.64320724564045 0.00061929 au
q 36.70359083036476 0.00044431 au
i 19.42545175733434 3.4768e-05 deg
node 204.60445449721 3.295e-05 deg
peri 277.0435807370852 0.0042425 deg
M 301.5998811437078 0.0040778 deg
tp 2475700.519165307884
(2066-Feb-19.01916531)
0.79324 TDB
period 101712.2399036152
278.47
2.2157
0.006066
d
yr
n .003539397031676267 7.7102e-08 deg/d
Q 48.58282366091615 0.00070555 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 = 35.7759 au 
 Jupiter MOID = 31.7696 au 
 T_jup = 5.469 
[ 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 3.92   n/a E2021B10  
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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