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102402 (1999 TS171)
Classification: Main-belt Asteroid          SPK-ID: 2102402
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1036749284394398 4.1068e-08  
a 2.370818877300455 1.3509e-08 au
q 2.125024399853458 9.8315e-08 au
i 7.644236135896747 5.5171e-06 deg
node 41.00215646758565 3.7172e-05 deg
peri 25.85832648725961 4.6488e-05 deg
M 258.6465076120895 2.8337e-05 deg
tp 2459575.889576189897
(2021-Dec-27.38957619)
0.0001057 TDB
period 1333.355607630572
3.65
1.1396e-05
3.12e-08
d
yr
n .2699954895301598 2.3077e-09 deg/d
Q 2.616613354747453 1.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:49  

Additional Information
 Earth MOID = 1.14029 au 
 Jupiter MOID = 2.65184 au 
 T_jup = 3.526 
[ 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 15.9   n/a MPO381895  

102402 (1999 TS171)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TS171 = 2003 WN125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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