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102515 (1999 TT305)
Classification: Main-belt Asteroid          SPK-ID: 2102515
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438094808433473 4.8069e-08  
a 2.304955411334443 9.2881e-09 au
q 1.742985429129928 1.1067e-07 au
i 4.037291504588293 4.4338e-06 deg
node 344.6107458376727 6.8632e-05 deg
peri 325.458945099857 7.2061e-05 deg
M 79.72165559234615 2.5772e-05 deg
tp 2458917.448130240609
(2020-Mar-08.94813024)
9.1498e-05 TDB
period 1278.180594171753
3.50
7.7259e-06
2.115e-08
d
yr
n .2816503408372241 1.7024e-09 deg/d
Q 2.866925393538958 1.1553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      8341 days (22.84 yr)  
   first obs. used      1998-04-01  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:20  

Additional Information
 Earth MOID = .728552 au 
 Jupiter MOID = 2.41732 au 
 T_jup = 3.545 
[ 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 16.2   n/a MPO432551  

102515 (1999 TT305)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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