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74879 (1999 TP104)
Classification: Main-belt Asteroid          SPK-ID: 2074879
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928391504412086 4.5342e-08  
a 2.375729386293181 1.2493e-08 au
q 1.91759574976219 1.0538e-07 au
i 4.49165332803237 5.5187e-06 deg
node 232.0253005875219 7.2939e-05 deg
peri 194.7991173867607 7.472e-05 deg
M 197.0269956546177 1.7637e-05 deg
tp 2459605.990107851248
(2022-Jan-26.49010785)
6.8198e-05 TDB
period 1337.500279276317
3.66
1.055e-05
2.888e-08
d
yr
n .2691588223030395 2.1232e-09 deg/d
Q 2.833863022824172 1.4903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      8621 days (23.60 yr)  
   first obs. used      1995-08-28  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:16:31  

Additional Information
 Earth MOID = .931747 au 
 Jupiter MOID = 2.47342 au 
 T_jup = 3.512 
[ 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 16.6   n/a MPO426455  

74879 (1999 TP104)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TP104 = 1995 QK9 = 1997 EL18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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