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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305173623559905 4.5411e-08  
a 2.762191726394543 1.5324e-08 au
q 2.125458575304533 1.315e-07 au
i 9.564559322307508 5.7407e-06 deg
node 353.4127905582 2.3527e-05 deg
peri 315.1192591805524 2.6098e-05 deg
M 21.7188414912611 1.0842e-05 deg
tp 2458899.338953834834
(2020-Feb-19.83895383)
5.025e-05 TDB
period 1676.791859920947
4.59
1.3954e-05
3.82e-08
d
yr
n .2146956987356633 1.7866e-09 deg/d
Q 3.398924877484552 1.8857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      8341 days (22.84 yr)  
   first obs. used      1997-10-03  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:37  

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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