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JPL Small-Body Database Browser
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393944 (2005 UR172)
Classification: Main-belt Asteroid          SPK-ID: 2393944
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05949859160287651 6.7207e-08  
a 2.306005848142062 1.6582e-08 au
q 2.168801747949613 1.5881e-07 au
i 2.16107369904793 7.3803e-06 deg
node 35.64156356254284 0.00019391 deg
peri 71.90973161324095 0.00021865 deg
M 4.124568124143824 9.3229e-05 deg
tp 2458985.845702171592
(2020-May-16.34570217)
0.00033125 TDB
period 1279.054451142593
3.50
1.3796e-05
3.777e-08
d
yr
n .281457915789596 3.0359e-09 deg/d
Q 2.443209948334512 1.7569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5200 days (14.24 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:53:13  

Additional Information
 Earth MOID = 1.18675 au 
 Jupiter MOID = 2.60592 au 
 T_jup = 3.585 
[ 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 18.3   n/a MPO503478  

393944 (2005 UR172)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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