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243954 (2001 QJ173)
Classification: Main-belt Asteroid          SPK-ID: 2243954
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072175150483156 7.1958e-08  
a 3.005572135611842 3.1054e-08 au
q 2.683322159933081 2.1155e-07 au
i 10.34979209279942 7.2702e-06 deg
node 200.5590110101188 2.7373e-05 deg
peri 196.2989921040437 3.6555e-05 deg
M 165.4020692903632 2.472e-05 deg
tp 2458126.064867056312
(2018-Jan-07.56486706)
0.00012769 TDB
period 1903.220734845236
5.21
2.9497e-05
8.076e-08
d
yr
n .1891530464170117 2.9316e-09 deg/d
Q 3.327822111290602 3.4384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      9504 days (26.02 yr)  
   first obs. used      1994-04-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:51:53  

Additional Information
 Earth MOID = 1.69142 au 
 Jupiter MOID = 2.10939 au 
 T_jup = 3.218 
[ 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 15.6   n/a MPO437138  

243954 (2001 QJ173)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2001 QJ173 = 2005 LT52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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