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(2004 MU8)
Classification: TransNeptunian Object          SPK-ID: 3564161
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .074902257696334 0.00029562  
a 45.22986704354234 0.014238 au
q 41.84204788667601 0.02629 au
i 3.571424893425759 0.00056593 deg
node 109.7126693038226 0.00060275 deg
peri 333.1372835970194 0.084851 deg
M 230.6436766906743 0.097847 deg
tp 2499123.351737251563
(2130-Apr-07.85173725)
35.637 TDB
period 111105.7137194809
304.19
52.462
0.1436
d
yr
n .003240157395585667 1.53e-06 deg/d
Q 48.61768620040868 0.015304 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      5544 days (15.18 yr)  
   first obs. used      2004-06-24  
   last obs. used      2019-08-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .1506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:15:14  

Additional Information
 Earth MOID = 40.8581 au 
 Jupiter MOID = 36.7179 au 
 T_jup = 5.984 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.0   n/a MPO264936  
rotation period rot_per 2.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Thirouin, A.; Sheppard, S.S. (2019) Astron. J. 157, A228.]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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