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JPL Small-Body Database Browser
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344098 (1999 SG18)
Classification: Main-belt Asteroid          SPK-ID: 2344098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3011654481108195 5.6671e-08  
a 2.642380684512754 2.1888e-08 au
q 1.846586921582097 1.5571e-07 au
i 13.30778992134983 6.7354e-06 deg
node 25.64773056359607 2.137e-05 deg
peri 330.6708956128869 2.3666e-05 deg
M 200.240154493713 1.1028e-05 deg
tp 2459296.736259141018
(2021-Mar-23.23625914)
5.5032e-05 TDB
period 1568.886427603004
4.30
1.9494e-05
5.337e-08
d
yr
n .2294621163560066 2.8511e-09 deg/d
Q 3.438174447443412 2.848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7164 days (19.61 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:22:58  

Additional Information
 Earth MOID = .854742 au 
 Jupiter MOID = 2.04549 au 
 T_jup = 3.292 
[ 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 16.2   n/a MPO291948  

344098 (1999 SG18)          Discovered 1999-Sep-13 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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