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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606437190539957 3.9948e-08  
a 2.281794793331868 8.0816e-09 au
q 1.915238791612993 9.3029e-08 au
i 7.065795186508376 4.157e-06 deg
node 235.5677380767125 3.4171e-05 deg
peri 132.921298315059 3.6775e-05 deg
M 48.40231179282252 1.2738e-05 deg
tp 2458431.231202775064
(2018-Nov-08.73120278)
4.4395e-05 TDB
period 1258.963978039025
3.45
6.6884e-06
1.831e-08
d
yr
n .2859494046531336 1.5191e-09 deg/d
Q 2.648350795050743 9.3798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      6363 days (17.42 yr)  
   first obs. used      2001-08-22  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:12:21  

Additional Information
 Earth MOID = .922523 au 
 Jupiter MOID = 2.84136 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456878.5 (2014-Aug-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609865894608075 3.992e-08  
q 1.91434808024203 9.2977e-08 au
tp 2457170.376697559586
(2015-May-27.87669756)
4.3576e-05 TDB
node 235.6444337045506 3.4236e-05 deg
peri 132.3881971055693 3.6804e-05 deg
i 7.058240469606355 4.154e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      6363 days (17.42 yr)  
   first obs. used      2001-08-22  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:12:21  

Additional Information
 Jupiter MOID = 2.84136 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.593635729721554E-15 -3.702395354558898E-15 8.283110603833847E-14 1.760445820018334E-15 6.915341188342352E-14 -6.130380343157596E-15
q -3.702395354558898E-15 8.644766809361371E-15 -1.814501679573718E-13 -3.142007872603059E-15 -1.623820981759242E-13 1.435441664609341E-14
tp 8.283110603833847E-14 -1.814501679573718E-13 1.898831920994281E-9 5.638894575181473E-12 6.003528611771495E-10 3.416180938683294E-12
node 1.760445820018334E-15 -3.142007872603059E-15 5.638894575181473E-12 1.172124724171366E-9 -1.161213899926405E-9 -8.362769573217868E-12
peri 6.915341188342352E-14 -1.623820981759242E-13 6.003528611771495E-10 -1.161213899926405E-9 1.354560752999857E-9 9.235732044162595E-12
i -6.130380343157596E-15 1.435441664609341E-14 3.416180938683294E-12 -8.362769573217868E-12 9.235732044162595E-12 1.72554844026264E-11

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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