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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6077030145947182 1.423e-05  
a 2.270054342729685 0.00011822 au
q .8905354753590237 1.4227e-05 au
i 22.95882162575412 0.00032948 deg
node 191.6838644591936 0.00049136 deg
peri 230.8487063518172 0.00042924 deg
M 115.9731268927407 0.17237 deg
tp 2458994.053945719657
(2020-May-24.55394572)
0.5667 TDB
period 1249.259922731223
3.42
0.097585
0.0002672
d
yr
n .2881706148172446 2.251e-05 deg/d
Q 3.649573210100346 0.00019006 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .65215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:51:10  

Additional Information
 Earth MOID = .0265497 au 
 Jupiter MOID = 2.11723 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. 2020-October); 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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