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118418 (1999 TP18)
Classification: Main-belt Asteroid          SPK-ID: 2118418
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033021245987505 8.4929e-08  
a 3.167468190788184 6.142e-08 AU
q 2.840261997080804 2.8793e-07 AU
i 8.909362368841322 9.4124e-06 deg
node 208.9172527919055 4.652e-05 deg
peri 128.0726170582606 6.6238e-05 deg
M 286.4152661222384 5.4553e-05 deg
tp 2457421.373947130833
(2016-Feb-02.87394713)
0.00032003 JED
period 2059.049655853818
5.64
5.989e-05
1.64e-07
d
yr
n .1748379399090889 5.0854e-09 deg/d
Q 3.494674384495564 6.7765e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1993-09-16  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51768  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 17:32:42  

Additional Information
 Earth MOID = 1.8433 AU 
 T_jup = 3.176 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257551  

118418 (1999 TP18)          Discovered 1999-Oct-14 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TP18 = 2004 RS42 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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