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85767 (1998 TG28)
Classification: Main-belt Asteroid          SPK-ID: 2085767
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07386850496156888 3.5834e-08  
a 3.066000241427626 2.4931e-08 au
q 2.839519387381559 1.1472e-07 au
i 12.39128407442266 5.4777e-06 deg
node 27.187971320871 1.9568e-05 deg
peri 67.4075689986539 4.5829e-05 deg
M 312.9254966354576 4.0803e-05 deg
tp 2459256.912946974181
(2021-Feb-11.41294697)
0.00022305 TDB
period 1960.90567745074
5.37
2.3917e-05
6.548e-08
d
yr
n .1835886366895602 2.2392e-09 deg/d
Q 3.292481095473694 2.6772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1998-10-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:14:18  

Additional Information
 Earth MOID = 1.88325 au 
 Jupiter MOID = 1.91178 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06997459585179661 3.579e-08  
q 2.851957327871192 1.1405e-07 au
tp 2457294.437179401207
(2015-Sep-28.93717940)
0.00023268 TDB
node 27.24113737981909 1.9571e-05 deg
peri 67.38425959448841 4.8178e-05 deg
i 12.39079283846177 5.478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1998-10-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:14:18  

Additional Information
 Jupiter MOID = 1.91178 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.280957454051046E-15 -3.996494497461576E-15 5.043736673179645E-13 5.385254247292329E-15 1.115214091606537E-13 -5.211514965013976E-15
q -3.996494497461576E-15 1.300671492707662E-14 -7.6241526410645E-13 -1.787696340537249E-14 -2.000313945450314E-13 1.858227789186305E-14
tp 5.043736673179645E-13 -7.6241526410645E-13 5.414036745308691E-8 3.596366424925311E-11 1.026133448436139E-8 -1.346326839778458E-11
node 5.385254247292329E-15 -1.787696340537249E-14 3.596366424925311E-11 3.830233651123196E-10 -3.670266590145501E-10 -2.18775431906723E-11
peri 1.115214091606537E-13 -2.000313945450314E-13 1.026133448436139E-8 -3.670266590145501E-10 2.321072421560696E-9 1.873843721676754E-11
i -5.211514965013976E-15 1.858227789186305E-14 -1.346326839778458E-11 -2.18775431906723E-11 1.873843721676754E-11 3.000830084310784E-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 14.4   n/a MPO493477  
diameter diameter 3.528 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85767 (1998 TG28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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