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JPL Small-Body Database Browser
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193915 (2001 QE268)
Classification: Main-belt Asteroid          SPK-ID: 2193915
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796377905296353 5.24e-08  
a 2.321317649650374 2.1289e-08 au
q 1.904321275949735 1.2224e-07 au
i 5.515063571732027 5.8208e-06 deg
node 187.2847452787206 5.4731e-05 deg
peri 235.0445954198646 5.6649e-05 deg
M 292.1106777619473 1.9026e-05 deg
tp 2458844.112326500192
(2019-Dec-26.61232650)
7.0629e-05 TDB
period 1291.814892959884
3.54
1.7771e-05
4.865e-08
d
yr
n .2786776975261109 3.8337e-09 deg/d
Q 2.738314023351013 2.5113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6169 days (16.89 yr)  
   first obs. used      2001-08-20  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:02:40  

Additional Information
 Earth MOID = .922844 au 
 Jupiter MOID = 2.59834 au 
 T_jup = 3.550 
[ 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 17.0   n/a MPO454348  

193915 (2001 QE268)          Discovered 2001-Aug-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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