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JPL Small-Body Database Browser
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357870 (2005 US342)
Classification: Main-belt Asteroid          SPK-ID: 2357870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03528978393771834 6.4396e-08  
a 3.047612654767526 5.1994e-08 au
q 2.940063062654924 1.9732e-07 au
i 10.08254482646597 1.0626e-05 deg
node 8.788993564467157 4.0431e-05 deg
peri 53.0485439795312 0.00016271 deg
M 166.0903649590625 0.00016013 deg
tp 2457703.938639664719
(2016-Nov-11.43863966)
0.00085699 TDB
period 1943.292073566428
5.32
4.9731e-05
1.362e-07
d
yr
n .1852526467312296 4.7408e-09 deg/d
Q 3.155162246880129 5.3829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      4993 days (13.67 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:12  

Additional Information
 Earth MOID = 1.96108 au 
 Jupiter MOID = 1.96601 au 
 T_jup = 3.213 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO437512  

357870 (2005 US342)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 US342 = 2008 HG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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