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JPL Small-Body Database Browser
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423444 (2005 SG23)
Classification: Main-belt Asteroid          SPK-ID: 2423444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365635000114182 1.3685e-07  
a 2.595019277745092 4.1824e-08 au
q 1.98113243480461 3.5647e-07 au
i 10.06011463976245 1.1897e-05 deg
node 179.4847603404667 6.3781e-05 deg
peri 152.8335467772216 7.4361e-05 deg
M 200.1445636644079 5.5025e-05 deg
tp 2459678.507064558927
(2022-Apr-09.00706456)
0.00024829 TDB
period 1526.895480293829
4.18
3.6914e-05
1.011e-07
d
yr
n .2357725231662373 5.7e-09 deg/d
Q 3.208906120685573 5.1718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      6242 days (17.09 yr)  
   first obs. used      2001-11-11  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:35:25  

Additional Information
 Earth MOID = .977381 au 
 Jupiter MOID = 2.22129 au 
 T_jup = 3.356 
[ 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 17.2   n/a MPO472253  

423444 (2005 SG23)          Discovered 2005-Sep-23 by CSS at Catalina
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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