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JPL Small-Body Database Browser
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523955 (1998 UU43)
Classification: TransNeptunian Object          SPK-ID: 2523955
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275941129059202 8.9597e-06  
a 36.27342896689116 0.0017371 au
q 31.64515297580477 0.0014864 au
i 9.603943004171674 0.00010232 deg
node 231.3587204816624 0.00013351 deg
peri 280.8393718787172 0.016155 deg
M 292.6343929541638 0.015388 deg
tp 2473532.468721999905
(2060-Mar-13.96872200)
2.3399 TDB
period 79796.04097180358
218.47
5.732
0.01569
d
yr
n .004511502019595285 3.2407e-07 deg/d
Q 40.90170495797754 0.0019587 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      7020 days (19.22 yr)  
   first obs. used      1998-10-22  
   last obs. used      2018-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .52021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:02  

Additional Information
 Earth MOID = 30.6702 au 
 Jupiter MOID = 26.3526 au 
 T_jup = 5.307 
[ 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 7.4   n/a E2018X68  

523955 (1998 UU43)          Discovered 1998-Oct-22 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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