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186023 (2001 QO201)
Classification: Main-belt Asteroid          SPK-ID: 2186023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519016330781057 3.1834e-08  
a 2.639287650052012 1.3726e-08 au
q 2.238375545846235 8.2273e-08 au
i 21.37432627842432 4.791e-06 deg
node 178.9603151789077 9.685e-06 deg
peri 267.4609013819071 1.8558e-05 deg
M 147.2764068635353 1.6895e-05 deg
tp 2458755.793404747489
(2019-Sep-29.29340475)
7.1618e-05 TDB
period 1566.132547656636
4.29
1.2217e-05
3.345e-08
d
yr
n .2298656014388174 1.7931e-09 deg/d
Q 3.040199754257789 1.5811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8170 days (22.37 yr)  
   first obs. used      1999-03-19  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:39:04  

Additional Information
 Earth MOID = 1.36778 au 
 Jupiter MOID = 2.34798 au 
 T_jup = 3.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511158141873992 3.1762e-08  
q 2.242311424760576 8.2086e-08 au
tp 2457190.901371239541
(2015-Jun-17.40137124)
6.8997e-05 TDB
node 178.9764038664195 9.6794e-06 deg
peri 268.0080998591071 1.8626e-05 deg
i 21.37412739988108 4.7908e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8170 days (22.37 yr)  
   first obs. used      1999-03-19  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:39:04  

Additional Information
 Jupiter MOID = 2.34798 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.008818070797703E-15 -2.582208430633037E-15 -2.703855826771655E-13 -3.16768018103985E-15 -7.107635593219652E-14 2.695460280414206E-15
q -2.582208430633037E-15 6.738122154069838E-15 8.401833740311614E-13 7.489316354842262E-15 2.203043140225951E-13 -7.389437433316101E-15
tp -2.703855826771655E-13 8.401833740311614E-13 4.760645397123768E-9 -1.430228262619259E-11 1.108900671318086E-9 -1.002931322523959E-11
node -3.16768018103985E-15 7.489316354842262E-15 -1.430228262619259E-11 9.369146065858748E-11 -9.01498041385968E-11 9.87342282567602E-12
peri -7.107635593219652E-14 2.203043140225951E-13 1.108900671318086E-9 -9.01498041385968E-11 3.469454712047213E-10 -1.146085541220206E-11
i 2.695460280414206E-15 -7.389437433316101E-15 -1.002931322523959E-11 9.87342282567602E-12 -1.146085541220206E-11 2.295130012659992E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.40   n/a MPO614063  

186023 (2001 QO201)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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