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JPL Small-Body Database Browser
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437850 (1999 TF218)
Classification: Main-belt Asteroid          SPK-ID: 2437850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2705909029765694 9.2844e-08  
a 2.580244013450832 3.5585e-08 au
q 1.882053455951284 2.5565e-07 au
i 6.571383037463074 8.4178e-06 deg
node 11.61097467190714 8.0433e-05 deg
peri 339.3689779047642 8.8405e-05 deg
M 275.4068454114107 4.6453e-05 deg
tp 2458956.231493266273
(2020-Apr-16.73149327)
0.00020238 TDB
period 1513.873530295471
4.14
3.1317e-05
8.574e-08
d
yr
n .2378005776544205 4.9193e-09 deg/d
Q 3.27843457095038 4.5214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:56  

Additional Information
 Earth MOID = .877461 au 
 Jupiter MOID = 2.15843 au 
 T_jup = 3.364 
[ 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 16.9   n/a MPO440810  

437850 (1999 TF218)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

Alternate Designations
 1999 TF218 = 2003 QF58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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