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74955 (1999 TL195)
Classification: Main-belt Asteroid          SPK-ID: 2074955
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176305857835185 5.0225e-08  
a 2.350088903445786 1.251e-08 au
q 1.935754463334827 1.2299e-07 au
i 8.143565180533084 5.1268e-06 deg
node 348.1706182758775 2.8095e-05 deg
peri 251.2419772722347 3.3915e-05 deg
M 52.92887286336857 2.4978e-05 deg
tp 2458807.029386170939
(2019-Nov-19.52938617)
9.0259e-05 TDB
period 1315.905992524271
3.60
1.0508e-05
2.877e-08
d
yr
n .2735757736838181 2.1845e-09 deg/d
Q 2.764423343556744 1.4716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:41  

Additional Information
 Earth MOID = .94268 au 
 Jupiter MOID = 2.29906 au 
 T_jup = 3.524 
[ 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 14.8   n/a MPO432303  

74955 (1999 TL195)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TL195 = 2001 CZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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