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442444 (2011 UK189)
Classification: Main-belt Asteroid          SPK-ID: 2442444
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2688946375296135 1.688e-07  
a 2.600072986088297 5.7386e-08 au
q 1.900927302943545 4.7851e-07 au
i 5.560671209475129 5.4778e-06 deg
node 76.33441309257225 7.2248e-05 deg
peri 286.4170558623206 7.5905e-05 deg
M 38.80535578469195 2.5701e-05 deg
tp 2458835.430854015345
(2019-Dec-17.93085402)
0.00010479 TDB
period 1531.358013677018
4.19
5.0698e-05
1.388e-07
d
yr
n .2350854579952774 7.7829e-09 deg/d
Q 3.29921866923305 7.2817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4343 days (11.89 yr)  
   first obs. used      2007-11-02  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:45:37  

Additional Information
 Earth MOID = .907816 au 
 Jupiter MOID = 2.17951 au 
 T_jup = 3.357 
[ 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 17.5   n/a MPO495192  

442444 (2011 UK189)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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