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120451 (1983 QU)
Classification: Main-belt Asteroid          SPK-ID: 2120451
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162493649077466 4.814e-08  
a 2.3308457924402 1.2134e-08 au
q 1.952098154189734 1.1281e-07 au
i 5.082886395146634 6.7442e-06 deg
node 327.0314766847815 5.2725e-05 deg
peri 62.93580750104621 5.6714e-05 deg
M 78.83366699187388 2.0041e-05 deg
tp 2458715.871773173711
(2019-Aug-20.37177317)
7.1693e-05 TDB
period 1299.776676226745
3.56
1.015e-05
2.779e-08
d
yr
n .2769706570247751 2.1628e-09 deg/d
Q 2.709593430690666 1.4106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      13295 days (36.40 yr)  
   first obs. used      1983-08-30  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:19:32  

Additional Information
 Earth MOID = .963134 au 
 Jupiter MOID = 2.75496 au 
 T_jup = 3.548 
[ 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 17.2   n/a MPO502801  

120451 (1983 QU)          Discovered 1983-Aug-30 by Gibson, J. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1983 QU = 2001 TO90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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