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JPL Small-Body Database Browser
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249646 (1999 TN237)
Classification: Main-belt Asteroid          SPK-ID: 2249646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .303988023991983 4.9623e-08  
a 3.146318780003603 3.5769e-08 au
q 2.189875551221441 1.5347e-07 au
i 8.466546778112562 7.0942e-06 deg
node 183.0442632207239 4.1234e-05 deg
peri 273.3257052039364 4.2902e-05 deg
M 141.2740757174927 1.0422e-05 deg
tp 2457800.550659800111
(2017-Feb-16.05065980)
5.809e-05 TDB
period 2038.461487073116
5.58
3.4762e-05
9.517e-08
d
yr
n .1766037780369835 3.0116e-09 deg/d
Q 4.102762008785764 4.6643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      1999-09-30  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:55  

Additional Information
 Earth MOID = 1.226 au 
 Jupiter MOID = 1.29185 au 
 T_jup = 3.119 
[ 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 15.6   n/a MPO440260  

249646 (1999 TN237)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 TN237 = 2005 YV208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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