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100555 (1997 GY1)
Classification: Main-belt Asteroid          SPK-ID: 2100555
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394769790881236 7.2274e-08  
a 2.460449901087639 1.0564e-08 au
q 2.117273781686262 1.7951e-07 au
i 3.580091450292604 5.2143e-06 deg
node 191.8767101947604 8.5897e-05 deg
peri 319.8674737943157 8.7653e-05 deg
M 25.63226782051752 1.429e-05 deg
tp 2458900.129809593959
(2020-Feb-20.62980959)		 5.6054e-05 TDB
period 1409.67895619644
3.86		 9.0791e-06
2.486e-08		 d
yr
n .255377295956338 1.6448e-09 deg/d
Q 2.803626020489015 1.2038e-08 au
   Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      8453 days (23.14 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:53:37  

Additional Information
 Earth MOID = 1.12922 au 
 Jupiter MOID = 2.19628 au 
 T_jup = 3.474 
[ 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 16.3   n/a MPO453460  
diameter diameter 3.504 km 0.828 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100555 (1997 GY1)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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