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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393490333371121 9.0252e-06  
a 42.49206607382492 0.0012711 au
q 36.57083774194072 0.00090015 au
i 19.46598164956823 6.8027e-05 deg
node 204.655390577158 5.2117e-05 deg
peri 278.5801367862624 0.0088362 deg
M 298.0428266347127 0.0086541 deg
tp 2476012.525490187669
(2066-Dec-28.02549019)
1.6512 TDB
period 101171.9682483048
276.99
4.5397
0.01243
d
yr
n .003558297878681748 1.5967e-07 deg/d
Q 48.41329440570912 0.0014482 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1991-10-12  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .46548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:38:05  

Additional Information
 Earth MOID = 35.6432 au 
 Jupiter MOID = 31.632 au 
 T_jup = 5.459 
[ 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-January); 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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