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190766 (2001 QU154)
Classification: Main-belt Asteroid          SPK-ID: 2190766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655516183056786 3.6474e-08  
a 2.29657137579816 1.1733e-08 au
q 1.916370267980275 8.8269e-08 au
i 4.751358563022761 4.3001e-06 deg
node 247.7982353723104 5.2572e-05 deg
peri 38.23752955828579 5.499e-05 deg
M 231.8872795555748 1.6216e-05 deg
tp 2459652.884900516717
(2022-Mar-14.38490052)
5.885e-05 TDB
period 1271.213066283029
3.48
9.742e-06
2.667e-08
d
yr
n .2831940683654425 2.1703e-09 deg/d
Q 2.676772483616044 1.3676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      10752 days (29.44 yr)  
   first obs. used      1991-11-09  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:12  

Additional Information
 Earth MOID = .900758 au 
 Jupiter MOID = 2.47069 au 
 T_jup = 3.572 
[ 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 17.31   n/a MPCxxxxx  

190766 (2001 QU154)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 QU154 = 2005 UE177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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