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173880 (2001 UQ44)
Classification: Main-belt Asteroid          SPK-ID: 2173880
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08904404822521558 6.868e-08  
a 2.976902743121161 2.9999e-08 au
q 2.711827271700903 2.1762e-07 au
i 11.43378152890464 6.9951e-06 deg
node 43.71910577559951 2.8464e-05 deg
peri 321.5348118618515 4.8036e-05 deg
M 248.1808001915943 4.4329e-05 deg
tp 2459583.219129806026
(2022-Jan-03.71912981)
0.00023677 TDB
period 1876.054265185322
5.14
2.8358e-05
7.764e-08
d
yr
n .1918921039122704 2.9006e-09 deg/d
Q 3.241978214541418 3.267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:27:26  

Additional Information
 Earth MOID = 1.72224 au 
 Jupiter MOID = 2.22678 au 
 T_jup = 3.225 
[ 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 15.2   n/a MPO254222  

173880 (2001 UQ44)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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