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181967 (1999 UW47)
Classification: Main-belt Asteroid          SPK-ID: 2181967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866752483770991 4.5761e-08  
a 2.257225440402693 9.7184e-09 au
q 1.835857320672414 1.0552e-07 au
i 4.352866022247798 5.2552e-06 deg
node 341.7611397411694 6.2312e-05 deg
peri 12.03673522172798 6.3841e-05 deg
M 108.6327404857886 1.4052e-05 deg
tp 2458826.717412265278
(2019-Dec-09.21741227)
4.7496e-05 TDB
period 1238.684865932324
3.39
7.9996e-06
2.19e-08
d
yr
n .2906308213663674 1.8769e-09 deg/d
Q 2.678593560132973 1.1533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:47  

Additional Information
 Earth MOID = .829186 au 
 Jupiter MOID = 2.75646 au 
 T_jup = 3.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.02   n/a MPCxxxxx  

181967 (1999 UW47)          Discovered 1999-Oct-30 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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