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JPL Small-Body Database Browser
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344300 (2001 US86)
Classification: Main-belt Asteroid          SPK-ID: 2344300
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145663907983787 7.6182e-08  
a 2.394951843166528 2.1811e-08 au
q 2.046093798257917 1.8713e-07 au
i 2.226926419703146 8.8517e-06 deg
node 12.1475479718059 0.00018329 deg
peri 73.35411131306843 0.00018791 deg
M 223.4664214554135 4.0481e-05 deg
tp 2459113.929214998219
(2020-Sep-21.42921500)
0.00015639 TDB
period 1353.766006645752
3.71
1.8493e-05
5.063e-08
d
yr
n .2659248335626169 3.6326e-09 deg/d
Q 2.743809888075138 2.4988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      6551 days (17.94 yr)  
   first obs. used      2001-10-18  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:23:58  

Additional Information
 Earth MOID = 1.06357 au 
 Jupiter MOID = 2.45675 au 
 T_jup = 3.514 
[ 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 18.1   n/a MPO494802  

344300 (2001 US86)          Discovered 2001-Oct-18 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2001 US86 = 2005 WD203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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