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173304 (1999 UM32)
Classification: Main-belt Asteroid          SPK-ID: 2173304
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953233097608781 9.5161e-08  
a 2.533478059609324 1.9653e-08 au
q 2.038630739799864 2.5298e-07 au
i 2.914500094236996 1.6088e-05 deg
node 50.97153605761584 0.00023905 deg
peri 37.65611999362338 0.00026267 deg
M .2271325032093483 0.00010282 deg
tp 2458999.570710704108
(2020-May-30.07071070)
0.00042065 TDB
period 1472.903005048175
4.03
1.7139e-05
4.692e-08
d
yr
n .2444152797340686 2.844e-09 deg/d
Q 3.028325379418785 2.3492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      8798 days (24.09 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:02:12  

Additional Information
 Earth MOID = 1.05597 au 
 Jupiter MOID = 2.18732 au 
 T_jup = 3.421 
[ 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 17.1   n/a MPO493969  

173304 (1999 UM32)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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