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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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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