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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214870921962703 4.9018e-08  
a 2.710301076257851 1.5625e-08 au
q 2.127936185205821 1.3281e-07 au
i 7.725259933790929 5.6376e-06 deg
node 183.0580799056521 3.3407e-05 deg
peri 203.0236510113503 3.5042e-05 deg
M 283.9080234209378 1.2212e-05 deg
tp 2459344.977688250293
(2021-May-10.47768825)		 5.6936e-05 TDB
period 1629.764048003837
4.46		 1.4094e-05
3.859e-08		 d
yr
n .2208908709459717 1.9102e-09 deg/d
Q 3.292665967309882 1.8983e-08 au
   Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:14:10  

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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