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120860 (1998 QW59)
Classification: Main-belt Asteroid          SPK-ID: 2120860
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659828721320814 5.0037e-08  
a 3.024461913753825 2.1343e-08 au
q 2.522453038654874 1.5348e-07 au
i 4.324866994050818 7.1247e-06 deg
node 166.1253358833084 7.196e-05 deg
peri 151.9374348004401 7.6496e-05 deg
M 74.67600318125375 2.3072e-05 deg
tp 2458601.980871859609
(2019-Apr-28.48087186)		 0.00012361 TDB
period 1921.191279912474
5.26		 2.0336e-05
5.568e-08		 d
yr
n .1873837362078808 1.9835e-09 deg/d
Q 3.526470788852776 2.4886e-08 au
   Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:02:33  

Additional Information
 Earth MOID = 1.51037 au 
 Jupiter MOID = 1.79675 au 
 T_jup = 3.220 
[ 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 16.0   n/a MPO449702  

120860 (1998 QW59)          Discovered 1998-Aug-26 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1998 QW59 = 1997 JV5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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