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134468 (1998 UX8)
Classification: Main-belt Asteroid          SPK-ID: 2134468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146788897510423 5.9115e-08  
a 2.84450394328999 1.8446e-08 au
q 2.426962345490401 1.7348e-07 au
i 8.292769769708224 5.0638e-06 deg
node 224.4667627607818 3.8138e-05 deg
peri 124.2129720137354 4.0078e-05 deg
M 210.5170165043476 1.3443e-05 deg
tp 2459728.108047131339
(2022-May-28.60804713)
6.8025e-05 TDB
period 1752.299096805894
4.80
1.7045e-05
4.667e-08
d
yr
n .2054443791337969 1.9984e-09 deg/d
Q 3.262045541089578 2.1153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7869 days (21.54 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:19:44  

Additional Information
 Earth MOID = 1.43317 au 
 Jupiter MOID = 2.25127 au 
 T_jup = 3.277 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO245092  
rotation period rot_per 3.467 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

134468 (1998 UX8)          Discovered 1998-Oct-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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