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85398 (1996 TH6)
Classification: Main-belt Asteroid          SPK-ID: 2085398
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3154409347142072 5.5723e-08  
a 2.660146934635842 1.7442e-08 au
q 1.821027699097179 1.5123e-07 au
i 11.67532451202272 5.2903e-06 deg
node 243.0186111549699 3.5676e-05 deg
peri 117.3163966563067 3.7134e-05 deg
M 180.8147158886206 1.4028e-05 deg
tp 2459789.281478669722
(2022-Jul-28.78147867)
6.8043e-05 TDB
period 1584.735787480142
4.34
1.5586e-05
4.267e-08
d
yr
n .2271672053121417 2.2342e-09 deg/d
Q 3.499266170174504 2.2944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      11931 days (32.67 yr)  
   first obs. used      1987-08-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:30  

Additional Information
 Earth MOID = .853389 au 
 Jupiter MOID = 2.14236 au 
 T_jup = 3.285 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456819.5 (2014-Jun-11.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3122272939065964 5.5558e-08  
q 1.831692721668706 1.5052e-07 au
tp 2456614.058530872582
(2013-Nov-17.55853087)
4.689e-05 TDB
node 243.4858797166172 3.57e-05 deg
peri 116.4599920370953 3.7222e-05 deg
i 11.65503092265836 5.2922e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      11931 days (32.67 yr)  
   first obs. used      1987-08-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:30  

Additional Information
 Jupiter MOID = 2.14236 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.086740992398294E-15 -8.336660686219587E-15 -9.913226373073998E-13 2.57791792694034E-14 -3.187466312459121E-13 -7.38504399225432E-15
q -8.336660686219587E-15 2.265575536596709E-14 2.957928141745987E-12 -6.922942347585596E-14 9.162170859774128E-13 2.070618024029186E-14
tp -9.913226373073998E-13 2.957928141745987E-12 2.19867986622727E-9 -2.413031389204081E-11 5.604976738203486E-10 6.865750287018621E-12
node 2.57791792694034E-14 -6.922942347585596E-14 -2.413031389204081E-11 1.274471815415374E-9 -1.253837484333651E-9 2.515548366687565E-11
peri -3.187466312459121E-13 9.162170859774128E-13 5.604976738203486E-10 -1.253837484333651E-9 1.38548451194469E-9 -2.288002248707456E-11
i -7.38504399225432E-15 2.070618024029186E-14 6.865750287018621E-12 2.515548366687565E-11 -2.288002248707456E-11 2.800728740224982E-11

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 15.2   n/a MPO417412  
diameter diameter 2.290 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85398 (1996 TH6)          Discovered 1996-Oct-05 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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