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JPL Small-Body Database Browser
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160155 (2001 QP138)
Classification: Main-belt Asteroid          SPK-ID: 2160155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608773672510825 3.7737e-08  
a 2.281380162550135 7.8157e-09 au
q 1.914357728300223 8.7468e-08 au
i 7.065593408678536 3.8814e-06 deg
node 235.5609502432869 3.4168e-05 deg
peri 132.8755020887357 3.633e-05 deg
M 162.8329783103758 1.2402e-05 deg
tp 2458431.208389383654
(2018-Nov-08.70838938)
4.2534e-05 TDB
period 1258.620839270279
3.45
6.4678e-06
1.771e-08
d
yr
n .2860273632595501 1.4698e-09 deg/d
Q 2.648402596800047 9.073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2001-08-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:15:02  

Additional Information
 Earth MOID = .922458 au 
 Jupiter MOID = 2.84453 au 
 T_jup = 3.578 
[ 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 MPO454058  

160155 (2001 QP138)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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