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JPL Small-Body Database Browser
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58141 (1981 UW22)
Classification: Mars-crossing Asteroid          SPK-ID: 2058141
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2554135273492891 3.8862e-08  
a 2.222763441669831 8.3876e-09 au
q 1.655039590569894 8.649e-08 au
i 5.151371057789232 4.1013e-06 deg
node 107.5787652317718 4.4305e-05 deg
peri 218.8164419111954 4.4817e-05 deg
M 161.1899034055072 8.568e-06 deg
tp 2458058.532019723147
(2017-Nov-01.03201972)		 2.7438e-05 TDB
period 1210.426141945322
3.31		 6.8513e-06
1.876e-08		 d
yr
n .2974159162007443 1.6835e-09 deg/d
Q 2.790487292769769 1.053e-08 au
   Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      13674 days (37.44 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:17  

Additional Information
 Earth MOID = .64608 au 
 Jupiter MOID = 2.55613 au 
 T_jup = 3.600 
[ 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 15.6   n/a MPO324822  

58141 (1981 UW22)          Discovered 1981-Oct-24 by Bus, S. J. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 UW22 = 2000 HY23 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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