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181924 (1999 TW115)
Classification: Main-belt Asteroid          SPK-ID: 2181924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2758868907288716 7.3642e-08  
a 2.480783103327463 2.5988e-08 au
q 1.796367566377728 1.8776e-07 au
i 8.479759554741007 8.688e-06 deg
node 358.0201010884236 4.6696e-05 deg
peri 341.4049784379178 5.3759e-05 deg
M 172.8786423419387 4.1708e-05 deg
tp 2458515.137304044711
(2019-Jan-31.63730404)
0.0001554 TDB
period 1427.18942722776
3.91
2.2427e-05
6.14e-08
d
yr
n .252244021103268 3.9637e-09 deg/d
Q 3.165198640277198 3.3158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      9320 days (25.52 yr)  
   first obs. used      1995-10-02  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:54  

Additional Information
 Earth MOID = .788647 au 
 Jupiter MOID = 2.24802 au 
 T_jup = 3.410 
[ 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 16.16   n/a MPCxxxxx  

181924 (1999 TW115)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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