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JPL Small-Body Database Browser
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193348 (2000 US21)
Classification: Main-belt Asteroid          SPK-ID: 2193348
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2240320770688114 4.0327e-08  
a 2.455819994438916 1.1384e-08 au
q 1.905637540177649 1.0422e-07 au
i 3.88687896936487 3.8347e-06 deg
node 83.69425158867182 7.4772e-05 deg
peri 326.8570112778971 7.5744e-05 deg
M 23.16661389806909 1.315e-05 deg
tp 2458910.040687420286
(2020-Mar-01.54068742)
5.1095e-05 TDB
period 1405.70187218476
3.85
9.7744e-06
2.676e-08
d
yr
n .2560998225324147 1.7808e-09 deg/d
Q 3.006002448700183 1.3935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7940 days (21.74 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:36:22  

Additional Information
 Earth MOID = .917813 au 
 Jupiter MOID = 2.37453 au 
 T_jup = 3.455 
[ 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 16.2   n/a MPO418039  

193348 (2000 US21)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 US21 = 1998 DW29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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