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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238385652529801 4.0393e-08  
a 2.455635746463053 1.2026e-08 au
q 1.905969764190833 1.0428e-07 au
i 3.886940930601091 4.345e-06 deg
node 83.69396559173389 7.5712e-05 deg
peri 326.8334950588045 7.6782e-05 deg
M 280.7264321893349 1.3978e-05 deg
tp 2458910.006839720340
(2020-Mar-01.50683972)
5.5601e-05 TDB
period 1405.54368090813
3.85
1.0325e-05
2.827e-08
d
yr
n .2561286460819217 1.8815e-09 deg/d
Q 3.005301728735274 1.4718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7873 days (21.56 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:56:04  

Additional Information
 Earth MOID = .917685 au 
 Jupiter MOID = 2.37419 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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