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46992 (1998 TZ17)
Classification: Main-belt Asteroid          SPK-ID: 2046992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09661733452659835 5.1853e-08  
a 2.666362348391579 1.5482e-08 au
q 2.408745525407903 1.3624e-07 au
i 13.76481515698383 5.7607e-06 deg
node 342.6251337315442 1.6609e-05 deg
peri 177.3042427419361 2.6921e-05 deg
M 127.3512418200294 2.2733e-05 deg
tp 2458037.928324582691
(2017-Oct-11.42832458)
9.9049e-05 TDB
period 1590.293115762759
4.35
1.3851e-05
3.792e-08
d
yr
n .2263733625152063 1.9717e-09 deg/d
Q 2.923979171375254 1.6978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      12029 days (32.93 yr)  
   first obs. used      1986-12-30  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:28  

Additional Information
 Earth MOID = 1.41784 au 
 Jupiter MOID = 2.06258 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456755.5 (2014-Apr-08.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09543378734462644 5.197e-08  
q 2.412182541856347 1.3618e-07 au
tp 2456445.685125035568
(2013-Jun-02.18512504)
9.7325e-05 TDB
node 342.7236565260562 1.66e-05 deg
peri 176.9812260929586 2.7071e-05 deg
i 13.76862096791691 5.7612e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      12029 days (32.93 yr)  
   first obs. used      1986-12-30  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:28  

Additional Information
 Jupiter MOID = 2.06258 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.700904112506202E-15 -7.041874663733915E-15 -3.435801792169521E-13 -4.3138011738424E-15 -3.318079684826409E-14 -8.658458837962157E-16
q -7.041874663733915E-15 1.854506358227206E-14 1.083434257762708E-12 1.077888090475094E-14 1.308899272942419E-13 3.438401978248294E-15
tp -3.435801792169521E-13 1.083434257762708E-12 9.472112640198208E-9 2.87667692186917E-12 2.092839706162066E-9 6.604771802410526E-12
node -4.3138011738424E-15 1.077888090475094E-14 2.87667692186917E-12 2.755676299057841E-10 -2.664009265498103E-10 -9.3213820283426E-12
peri -3.318079684826409E-14 1.308899272942419E-13 2.092839706162066E-9 -2.664009265498103E-10 7.32854140216119E-10 1.052363783533429E-11
i -8.658458837962157E-16 3.438401978248294E-15 6.604771802410526E-12 -9.3213820283426E-12 1.052363783533429E-11 3.31917783325096E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO449298  
diameter diameter 8.471 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.324   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46992 (1998 TZ17)          Discovered 1998-Oct-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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