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100609 (1997 ST6)
Classification: Main-belt Asteroid          SPK-ID: 2100609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07798324844343348 4.5454e-08  
a 2.996601369554096 2.4534e-08 au
q 2.762916660466226 1.3838e-07 au
i 9.310728646987217 6.1439e-06 deg
node 351.2567431122482 2.9437e-05 deg
peri 77.1979290045586 5.5737e-05 deg
M 100.2351698768626 4.3543e-05 deg
tp 2458672.954992531546
(2019-Jul-08.45499253)
0.00022971 TDB
period 1894.706248534846
5.19
2.3269e-05
6.371e-08
d
yr
n .190003067904792 2.3334e-09 deg/d
Q 3.230286078641967 2.6448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      8513 days (23.31 yr)  
   first obs. used      1997-09-23  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:57  

Additional Information
 Earth MOID = 1.79462 au 
 Jupiter MOID = 2.00625 au 
 T_jup = 3.230 
[ 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 15.38   n/a E2021B55  
diameter diameter 3.313 km 0.457 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100609 (1997 ST6)          Discovered 1997-Sep-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 ST6 = 2003 XG35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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