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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389921911954051 9.1573e-06  
a 42.57819556292725 0.0012752 au
q 36.66015886448952 0.00089034 au
i 19.44054575757888 6.7364e-05 deg
node 204.6241349423655 5.1931e-05 deg
peri 277.6416778145332 0.0088266 deg
M 300.3057446232203 0.0085718 deg
tp 2475827.602642138540
(2066-Jun-26.10264214)
1.6607 TDB
period 101479.730552536
277.84
4.5591
0.01248
d
yr
n .0035475064630136 1.5938e-07 deg/d
Q 48.49623226136498 0.0014525 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1991-10-12  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .44762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:09:09  

Additional Information
 Earth MOID = 35.7324 au 
 Jupiter MOID = 31.7232 au 
 T_jup = 5.465 
[ 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 3.7   n/a MPO502526  
rotation period rot_per 14.382 h n/a LCDB (Rev. 2019-August); 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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