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120753 (1997 WW28)
Classification: Main-belt Asteroid          SPK-ID: 2120753
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138905129847884 4.3283e-08  
a 2.318190699424563 1.6086e-08 au
q 1.996182119308836 9.6309e-08 au
i 4.039034091918402 4.2905e-06 deg
node 82.93953616034675 7.4396e-05 deg
peri 198.2210911754206 7.7757e-05 deg
M 314.2415265459845 2.6434e-05 deg
tp 2459364.366882802469
(2021-May-29.86688280)
9.5924e-05 TDB
period 1289.205547212419
3.53
1.3418e-05
3.674e-08
d
yr
n .2792417398283841 2.9064e-09 deg/d
Q 2.640199279540289 1.832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:51  

Additional Information
 Earth MOID = .97831 au 
 Jupiter MOID = 2.47768 au 
 T_jup = 3.563 
[ 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 17.05   n/a E2021B55  

120753 (1997 WW28)          Discovered 1997-Nov-29 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1997 WW28 = 2000 QV106 = 2003 JZ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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