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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392873550841232 5.6178e-06  
a 42.64332580960379 0.00064115 au
q 36.70364974559355 0.00045199 au
i 19.42545079375497 3.5818e-05 deg
node 204.6044536424956 3.3494e-05 deg
peri 277.0428214348051 0.0043737 deg
M 301.6006681233077 0.004224 deg
tp 2475700.365630211898
(2066-Feb-18.86563021)
0.82184 TDB
period 101712.6641006483
278.47
2.2939
0.00628
d
yr
n .003539382270468966 7.9823e-08 deg/d
Q 48.58300187361402 0.00073046 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      10685 days (29.25 yr)  
   first obs. used      1991-10-12  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .42093  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:34:22  

Additional Information
 Earth MOID = 35.776 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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