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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303951935473018 3.1923e-08  
a 2.761995069954662 1.0992e-08 au
q 2.125644681235764 8.837e-08 au
i 9.564688102180586 5.2631e-06 deg
node 353.4125130362758 2.1399e-05 deg
peri 315.1307378446788 2.4018e-05 deg
M 64.66245338917399 1.0756e-05 deg
tp 2458899.350287404274
(2020-Feb-19.85028740)
4.9612e-05 TDB
period 1676.612792310359
4.59
1.0009e-05
2.74e-08
d
yr
n .214718628923213 1.2818e-09 deg/d
Q 3.39834545867356 1.3525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1646  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1997-10-03  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:48  

Additional Information
 Earth MOID = 1.12202 au 
 Jupiter MOID = 1.95737 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 14.64   n/a E2021B55  
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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