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(1999 TY2)
Classification: Apollo [NEO]          SPK-ID: 3023157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6075992824235075 1.4097e-05  
a 2.270407830609976 0.00011524 au
q .8909096619226423 1.3379e-05 au
i 22.95467801568776 0.00033792 deg
node 191.6834776064663 0.00047676 deg
peri 230.8685071209787 0.00039294 deg
M 1.860269775833848 0.1634 deg
tp 2458994.043046331705
(2020-May-24.54304633)
0.56665 TDB
period 1249.551732110697
3.42
0.095138
0.0002605
d
yr
n .2881033179729991 2.1936e-05 deg/d
Q 3.64990599929731 0.00018526 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      5 days  
   first obs. used      1999-10-03  
   last obs. used      1999-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .64688  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:19  

Additional Information
 Earth MOID = .0275694 au 
 Jupiter MOID = 2.11513 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2451457.5 (1999-Oct-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .607401017416225 2.0314e-05  
q .8918223549486594 1.7465e-06 au
tp 2451494.704982238303
(1999-Nov-12.20498224)
0.0005159 TDB
node 192.2726569766897 4.5206e-06 deg
peri 230.1342118640257 0.00045965 deg
i 23.11161923738773 0.00049029 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      5 days  
   first obs. used      1999-10-03  
   last obs. used      1999-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .64688  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:19  

Additional Information
 Jupiter MOID = 2.11513 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.126644128158108E-10 -1.010590077368842E-11 -9.798817681847795E-9 5.449384743537479E-11 -6.74887496880983E-9 9.795369155797056E-9
q -1.010590077368842E-11 3.050254194801903E-12 -6.552390917849405E-11 -3.775710407170159E-12 -3.658433243762386E-10 -1.685631821166933E-10
tp -9.798817681847795E-9 -6.552390917849405E-11 2.661543695765608E-7 -1.029201461852744E-9 2.183569728604157E-7 -2.39672985582286E-7
node 5.449384743537479E-11 -3.775710407170159E-12 -1.029201461852744E-9 2.04358984020929E-11 -4.409098087662847E-10 1.270937160968378E-9
peri -6.74887496880983E-9 -3.658433243762386E-10 2.183569728604157E-7 -4.409098087662847E-10 2.112821080377648E-7 -1.729291372560802E-7
i 9.795369155797056E-9 -1.685631821166933E-10 -2.39672985582286E-7 1.270937160968378E-9 -1.729291372560802E-7 2.403834897204382E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.3   n/a MPO41582  
rotation period rot_per 0.1213 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Hergenrother, C.; Whiteley, R.; Sarounova, L.; et al. (2000) Icarus 147, 477-486.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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