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102454 (1999 TY218)
Classification: Mars-crossing Asteroid          SPK-ID: 2102454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3187542055614417 4.142e-08  
a 2.246959290241455 6.4432e-09 au
q 1.530731566751639 9.4193e-08 au
i 5.246243318020428 5.1396e-06 deg
node 170.6472679780896 4.8363e-05 deg
peri 142.6696101964341 4.8847e-05 deg
M 137.9352600983897 6.501e-06 deg
tp 2458729.127729792422
(2019-Sep-02.62772979)
2.1731e-05 TDB
period 1230.243935841241
3.37
5.2916e-06
1.449e-08
d
yr
n .2926248929272974 1.2587e-09 deg/d
Q 2.963187013731271 8.497e-09 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      14004 days (38.34 yr)  
   first obs. used      1982-09-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:30  

Additional Information
 Earth MOID = .519483 au 
 Jupiter MOID = 2.3592 au 
 T_jup = 3.556 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO493575  

102454 (1999 TY218)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TY218 = 1999 TA94 = 2002 JA19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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