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100973 (1998 QZ23)
Classification: Main-belt Asteroid          SPK-ID: 2100973
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2148709198746357 4.3656e-08  
a 2.710301075330719 1.3966e-08 au
q 2.127936190137193 1.2092e-07 au
i 7.725262274922652 4.6621e-06 deg
node 183.0580824052095 3.3058e-05 deg
peri 203.0236484593795 3.4682e-05 deg
M 283.908023833804 1.2043e-05 deg
tp 2459344.977686204441
(2021-May-10.47768620)
5.5956e-05 TDB
period 1629.764047167579
4.46
1.2597e-05
3.449e-08
d
yr
n .2208908710593144 1.7073e-09 deg/d
Q 3.292665960524245 1.6967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:52  

Additional Information
 Earth MOID = 1.13409 au 
 Jupiter MOID = 2.1661 au 
 T_jup = 3.317 
[ 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 15.7   n/a MPO474883  

100973 (1998 QZ23)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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