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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389764976871688 5.9148e-06  
a 42.57434323339569 0.0006605 au
q 36.65751011948694 0.00046115 au
i 19.4405974540383 3.8611e-05 deg
node 204.6241852164532 3.49e-05 deg
peri 277.6684942259829 0.0045123 deg
M 300.2798502286641 0.0044083 deg
tp 2475832.617337862881
(2066-Jul-01.11733786)
0.85122 TDB
period 101465.9585555672
277.80
2.3612
0.006465
d
yr
n .003547987966849474 8.2566e-08 deg/d
Q 48.49117634730443 0.0007523 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      10604 days (29.03 yr)  
   first obs. used      1991-10-12  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .42926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:02:51  

Additional Information
 Earth MOID = 35.7298 au 
 Jupiter MOID = 31.7204 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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