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JPL Small-Body Database Browser
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193917 (2001 QF273)
Classification: Main-belt Asteroid          SPK-ID: 2193917
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09740547782587174 4.6375e-08  
a 2.307282449513851 2.1327e-08 au
q 2.082540500039707 1.1016e-07 au
i 5.897245411728485 6.1353e-06 deg
node 16.46365591030496 5.3626e-05 deg
peri 252.9740034747759 6.7569e-05 deg
M 67.90045699628187 3.7059e-05 deg
tp 2458359.054137676635
(2018-Aug-28.55413768)
0.00013296 TDB
period 1280.11672205934
3.50
1.7749e-05
4.859e-08
d
yr
n .2812243554016413 3.8993e-09 deg/d
Q 2.532024398987996 2.3405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6121 days (16.76 yr)  
   first obs. used      2001-08-19  
   last obs. used      2018-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59733  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:38:12  

Additional Information
 Earth MOID = 1.07558 au 
 Jupiter MOID = 2.54221 au 
 T_jup = 3.574 
[ 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 16.7   n/a MPO449957  

193917 (2001 QF273)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 QF273 = 2005 UG221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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