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JPL Small-Body Database Browser
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423558 (2005 UN354)
Classification: Main-belt Asteroid          SPK-ID: 2423558
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434160083843044 6.2178e-08  
a 2.5805384758663 2.9167e-08 au
q 2.210447948175438 1.6552e-07 au
i 14.16494760149137 8.3836e-06 deg
node 28.13094511297238 3.1717e-05 deg
peri 26.99090593859894 6.2627e-05 deg
M 180.9709095233985 5.4349e-05 deg
tp 2459753.482771673479
(2022-Jun-22.98277167)
0.00023741 TDB
period 1514.132686932691
4.15
2.5671e-05
7.028e-08
d
yr
n .2377598760708899 4.031e-09 deg/d
Q 2.950629003557161 3.335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4875 days (13.35 yr)  
   first obs. used      2005-10-29  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:06:00  

Additional Information
 Earth MOID = 1.2287 au 
 Jupiter MOID = 2.49176 au 
 T_jup = 3.368 
[ 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 16.6   n/a E2013T78  

423558 (2005 UN354)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 UN354 = 2009 SU214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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