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JPL Small-Body Database Browser
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305080 (2007 US118)
Classification: Main-belt Asteroid          SPK-ID: 2305080
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03945335966773311 5.5083e-08  
a 2.693086915160281 3.9464e-08 au
q 2.586835588479997 1.5482e-07 au
i 12.15620713484522 6.9335e-06 deg
node 58.24692539188368 3.0643e-05 deg
peri 198.7785123611945 0.00010835 deg
M 18.41667466563472 9.9613e-05 deg
tp 2458517.918513309591
(2019-Feb-03.41851331)
0.00044718 TDB
period 1614.261844133129
4.42
3.5483e-05
9.715e-08
d
yr
n .2230121471980419 4.902e-09 deg/d
Q 2.799338241840565 4.1021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      1998-11-21  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:53:33  

Additional Information
 Earth MOID = 1.57486 au 
 Jupiter MOID = 2.21045 au 
 T_jup = 3.338 
[ 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 16.0   n/a MPO437355  

305080 (2007 US118)          Discovered 2007-Oct-30 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2007 US118 = 1998 WN37 = 2003 YX143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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