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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2556868801480657 3.4559e-08  
a 2.222449806552366 7.7886e-09 au
q 1.65419854922932 7.8055e-08 au
i 5.151494989764975 3.5275e-06 deg
node 107.5804474846222 4.3462e-05 deg
peri 218.8142229965403 4.3953e-05 deg
M 280.1887309869659 8.7739e-06 deg
tp 2459268.792223230771
(2021-Feb-23.29222323)		 3.0261e-05 TDB
period 1210.169961679271
3.31		 6.3616e-06
1.742e-08		 d
yr
n .2974788760253579 1.5638e-09 deg/d
Q 2.790701063875413 9.7801e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      14118 days (38.65 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:12  

Additional Information
 Earth MOID = .646118 au 
 Jupiter MOID = 2.55899 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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