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168504 (1999 TL15)
Classification: Main-belt Asteroid          SPK-ID: 2168504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673079579740228 6.6227e-08  
a 2.461899767021383 1.6432e-08 au
q 2.050004344264313 1.5527e-07 au
i 1.05461691026709 6.1068e-06 deg
node 177.2258734240348 0.00033264 deg
peri 266.4849337154576 0.00033338 deg
M 74.26859943882918 2.2441e-05 deg
tp 2458709.423790332645
(2019-Aug-13.92379033)
8.6344e-05 TDB
period 1410.925159111898
3.86
1.4126e-05
3.867e-08
d
yr
n .2551517333680554 2.5546e-09 deg/d
Q 2.873795189778453 1.9182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7497 days (20.53 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 02:39:46  

Additional Information
 Earth MOID = 1.06639 au 
 Jupiter MOID = 2.34608 au 
 T_jup = 3.470 
[ 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 17.4   n/a MPO454145  

168504 (1999 TL15)          Discovered 1999-Oct-12 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

[ show close-approach data ]
Alternate Designations
 1999 TL15 = 2003 WU46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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