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100618 (1997 TJ11)
Classification: Main-belt Asteroid          SPK-ID: 2100618
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305173610151983 4.9931e-08  
a 2.76219172517138 1.6933e-08 au
q 2.125458578066855 1.4578e-07 au
i 9.564559414121645 5.7317e-06 deg
node 353.4127906438956 2.4003e-05 deg
peri 315.1192591623631 2.6519e-05 deg
M 21.71884205909211 1.0985e-05 deg
tp 2458899.338951257210
(2020-Feb-19.83895126)		 5.0856e-05 TDB
period 1676.791858807163
4.59		 1.5419e-05
4.221e-08		 d
yr
n .2146956988782716 1.9742e-09 deg/d
Q 3.398924872275904 2.0836e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1997-10-03  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:08:31  

Additional Information
 Earth MOID = 1.12379 au 
 Jupiter MOID = 1.95689 au 
 T_jup = 3.282 
[ 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 14.6   n/a MPO348128  
diameter diameter 3.939 km 0.905 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100618 (1997 TJ11)          Discovered 1997-Oct-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 TJ11 = 2000 DJ77 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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