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JPL Small-Body Database Browser
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185776 (1999 TW269)
Classification: Main-belt Asteroid          SPK-ID: 2185776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116192986957946 5.9935e-08  
a 2.990597187681401 3.7407e-08 au
q 2.656788826910788 1.8108e-07 au
i 7.688377272234239 5.361e-06 deg
node 257.7833982439635 4.8196e-05 deg
peri 80.14725968841951 5.3824e-05 deg
M 28.95292924674093 2.8613e-05 deg
tp 2458848.576374443651
(2019-Dec-31.07637444)
0.00014845 TDB
period 1889.014570311298
5.17
3.5442e-05
9.703e-08
d
yr
n .1905755549258015 3.5756e-09 deg/d
Q 3.324405548452015 4.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      6800 days (18.62 yr)  
   first obs. used      1999-09-08  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54909  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:57:10  

Additional Information
 Earth MOID = 1.66132 au 
 Jupiter MOID = 2.04968 au 
 T_jup = 3.233 
[ 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 15.1   n/a MPO264443  

185776 (1999 TW269)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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