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JPL Small-Body Database Browser
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469317 (1999 TS212)
Classification: Main-belt Asteroid          SPK-ID: 2469317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479650002558853 2.131e-07  
a 2.314021487772375 1.8029e-08 au
q 1.740225148964774 5.0096e-07 au
i 5.180381425027546 2.4963e-05 deg
node 3.872218894001871 6.166e-05 deg
peri 327.0313189948425 8.744e-05 deg
M 228.3789048221833 4.2596e-05 deg
tp 2459070.580793695823
(2020-Aug-09.08079370)
0.00015057 TDB
period 1285.729202464638
3.52
1.5026e-05
4.114e-08
d
yr
n .2799967515009455 3.2722e-09 deg/d
Q 2.887817826579976 2.2499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      1999-10-10  
   last obs. used      2017-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:35:27  

Additional Information
 Earth MOID = .731731 au 
 Jupiter MOID = 2.48429 au 
 T_jup = 3.535 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO277114  

469317 (1999 TS212)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 1999 TS212 = 2006 SA25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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