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100556 (1997 GS2)
Classification: Main-belt Asteroid          SPK-ID: 2100556
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132988041351672 4.003e-08  
a 2.759989426376734 1.3374e-08 au
q 2.392943838411568 1.1001e-07 au
i 3.511098528640133 5.261e-06 deg
node 12.73614727051088 6.5833e-05 deg
peri 117.1177049767811 6.9838e-05 deg
M 61.84326947956588 2.1086e-05 deg
tp 2458712.793618471980
(2019-Aug-17.29361847)
9.7587e-05 TDB
period 1674.786896321997
4.59
1.2173e-05
3.333e-08
d
yr
n .214952720725602 1.5624e-09 deg/d
Q 3.1270350143419 1.5153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      8456 days (23.15 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:53:37  

Additional Information
 Earth MOID = 1.41015 au 
 Jupiter MOID = 1.91947 au 
 T_jup = 3.326 
[ 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 MPO417507  
diameter diameter 3.473 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100556 (1997 GS2)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 GS2 = 2001 BA36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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