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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673107586926532 6.6187e-08  
a 2.461521664430824 1.642e-08 au
q 2.0496826072165 1.5514e-07 au
i 1.054713737292839 6.107e-06 deg
node 177.2268690278425 0.00033262 deg
peri 266.4281916825821 0.00033335 deg
M 125.3669326577643 2.275e-05 deg
tp 2458709.270522447435
(2019-Aug-13.77052245)
8.6385e-05 TDB
period 1410.600133303741
3.86
1.4115e-05
3.864e-08
d
yr
n .2552105245849158 2.5537e-09 deg/d
Q 2.873360721645148 1.9167e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:36:04  

Additional Information
 Earth MOID = 1.06571 au 
 Jupiter MOID = 2.34682 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 17.47   n/a E2021B55  

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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