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146395 (2001 QX143)
Classification: Main-belt Asteroid          SPK-ID: 2146395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08551974135843997 4.4071e-08  
a 2.559592225367513 1.4596e-08 au
q 2.34069656027101 1.1476e-07 au
i 1.44564595971655 4.8835e-06 deg
node 188.2060286100646 0.000135 deg
peri 347.0172908848322 0.00013696 deg
M 16.87329984548222 2.1318e-05 deg
tp 2458930.394494719181
(2020-Mar-21.89449472)
8.8589e-05 TDB
period 1495.734807785829
4.10
1.2794e-05
3.503e-08
d
yr
n .2406843767532002 2.0587e-09 deg/d
Q 2.778487890464017 1.5844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7275 days (19.92 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:27  

Additional Information
 Earth MOID = 1.34505 au 
 Jupiter MOID = 2.18377 au 
 T_jup = 3.430 
[ 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 16.4   n/a MPO422556  

146395 (2001 QX143)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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