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JPL Small-Body Database Browser
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49676 (1999 TZ2)
Classification: Main-belt Asteroid          SPK-ID: 2049676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1986170301930996 3.8788e-08  
a 2.161566781377585 5.9577e-09 au
q 1.732242806696312 8.2817e-08 au
i 4.311238338728941 3.0428e-06 deg
node 106.9494777681833 6.0563e-05 deg
peri 228.1850044572904 6.1408e-05 deg
M 215.068094544091 1.161e-05 deg
tp 2459467.818435909538
(2021-Sep-10.31843591)
3.805e-05 TDB
period 1160.783999894446
3.18
4.799e-06
1.314e-08
d
yr
n .3101352189836663 1.2822e-09 deg/d
Q 2.590890756058858 7.141e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      7960 days (21.79 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:32:33  

Additional Information
 Earth MOID = .725794 au 
 Jupiter MOID = 2.77809 au 
 T_jup = 3.667 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456856.5 (2014-Jul-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992302485464823 3.8892e-08  
q 1.730799064214363 8.3103e-08 au
tp 2457145.402390793402
(2015-May-02.90239079)
3.5683e-05 TDB
node 107.0082575179592 6.056e-05 deg
peri 228.0454711270699 6.1395e-05 deg
i 4.311545575505508 3.0429e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      7960 days (21.79 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:32:33  

Additional Information
 Jupiter MOID = 2.77809 au 
 T_jup = 3.667 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.512617970629282E-15 -3.227110780937797E-15 7.760482921112751E-13 -1.119822351590658E-15 2.009677841930123E-13 -2.062718885316529E-15
q -3.227110780937797E-15 6.906163183471342E-15 -1.66168734566865E-12 2.602274166036691E-15 -4.325681045234755E-13 4.392012355215437E-15
tp 7.760482921112751E-13 -1.66168734566865E-12 1.27327128587077E-9 -2.340069684937607E-12 3.826005562345709E-10 -2.369705163571875E-12
node -1.119822351590658E-15 2.602274166036691E-15 -2.340069684937607E-12 3.667488351982253E-9 -3.657660299334958E-9 -1.724685585226854E-11
peri 2.009677841930123E-13 -4.325681045234755E-13 3.826005562345709E-10 -3.657660299334958E-9 3.769378280333216E-9 1.652531026821154E-11
i -2.062718885316529E-15 4.392012355215437E-15 -2.369705163571875E-12 -1.724685585226854E-11 1.652531026821154E-11 9.259392513962E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO459191  

49676 (1999 TZ2)          Discovered 1999-Oct-02 by CSS at Catalina
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TZ2 = 2001 BW69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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