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74880 (1999 TY104)
Classification: Main-belt Asteroid          SPK-ID: 2074880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222082560536108 3.3635e-08  
a 2.241380054784796 7.4115e-09 au
q 1.967464907136199 7.5976e-08 au
i 3.949435663188074 3.6334e-06 deg
node 263.3809394775176 4.9768e-05 deg
peri 246.1909670159625 5.2152e-05 deg
M 297.9964519938891 1.8115e-05 deg
tp 2459211.598779447554
(2020-Dec-28.09877945)
6.2237e-05 TDB
period 1225.664708632955
3.36
6.0793e-06
1.664e-08
d
yr
n .2937181738727926 1.4568e-09 deg/d
Q 2.515295202433392 8.3172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:23:27  

Additional Information
 Earth MOID = .98268 au 
 Jupiter MOID = 2.49739 au 
 T_jup = 3.621 
[ 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 15.1   n/a MPO296661  

74880 (1999 TY104)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TY104 = 2001 FN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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