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JPL Small-Body Database Browser
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146398 (2001 QL156)
Classification: Main-belt Asteroid          SPK-ID: 2146398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828711465690497 4.7476e-08  
a 2.613131339670095 1.4347e-08 au
q 2.135265015449108 1.2953e-07 au
i 4.575834909738816 4.2602e-06 deg
node 294.5180353106327 6.8451e-05 deg
peri 115.4158995194963 7.0279e-05 deg
M 12.62038690903676 1.5074e-05 deg
tp 2458546.410813043802
(2019-Mar-03.91081304)
6.4462e-05 TDB
period 1542.908901650888
4.22
1.2706e-05
3.479e-08
d
yr
n .2333255058771167 1.9215e-09 deg/d
Q 3.090997663891082 1.697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2001-08-13  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:29:01  

Additional Information
 Earth MOID = 1.15021 au 
 Jupiter MOID = 2.2978 au 
 T_jup = 3.380 
[ 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 15.8   n/a MPO412892  

146398 (2001 QL156)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
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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