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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610407793354733 3.6724e-08  
a 2.281077186427951 7.6561e-09 au
q 1.913730738601225 8.4881e-08 au
i 7.066077036468212 3.7088e-06 deg
node 235.5571032745498 3.413e-05 deg
peri 132.8715503729998 3.6088e-05 deg
M 220.0577214594203 1.2281e-05 deg
tp 2459689.664395170950
(2022-Apr-20.16439517)
4.393e-05 TDB
period 1258.37012301095
3.45
6.3353e-06
1.735e-08
d
yr
n .2860843510322816 1.4403e-09 deg/d
Q 2.648423634254677 8.889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      6848 days (18.75 yr)  
   first obs. used      2001-08-22  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:08  

Additional Information
 Earth MOID = .920384 au 
 Jupiter MOID = 2.84566 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 16.38   n/a E2021B55  

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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