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357258 (2002 QY23)
Classification: Main-belt Asteroid          SPK-ID: 2357258
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06345254637645793 5.0741e-08  
a 2.60922211293303 2.9128e-08 au
q 2.443660325805667 1.3288e-07 au
i 12.96090665862469 1.4239e-05 deg
node 337.7395644459345 1.9219e-05 deg
peri 80.82353323669722 0.00017682 deg
M 357.9929689957769 0.00016714 deg
tp 2459009.082554763507
(2020-Jun-08.58255476)
0.00071468 TDB
period 1539.447925000416
4.21
2.5778e-05
7.058e-08
d
yr
n .2338500667373356 3.9158e-09 deg/d
Q 2.774783900060392 3.0976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-08-18  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:28:19  

Additional Information
 Earth MOID = 1.49221 au 
 Jupiter MOID = 2.41982 au 
 T_jup = 3.372 
[ 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 16.3   n/a MPO494858  

357258 (2002 QY23)          Discovered 2002-Aug-28 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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