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215334 (2001 UN165)
Classification: Main-belt Asteroid          SPK-ID: 2215334
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609464853552853 6.8876e-08  
a 2.814590422943295 1.4793e-08 au
q 2.361591986655925 1.9397e-07 au
i 10.21467262476433 6.3625e-06 deg
node 71.23829600634339 3.2313e-05 deg
peri 317.0874903678821 3.8646e-05 deg
M 14.01929446938386 1.653e-05 deg
tp 2459133.334710271657
(2020-Oct-10.83471027)		 7.9317e-05 TDB
period 1724.73046735755
4.72		 1.3598e-05
3.723e-08		 d
yr
n .2087282661339855 1.6456e-09 deg/d
Q 3.267588859230664 1.7174e-08 au
   Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:46:05  

Additional Information
 Earth MOID = 1.37815 au 
 Jupiter MOID = 2.18998 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457937.5 (2017-Jul-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638775269887897 6.964e-08  
q 2.352402808174652 1.9661e-07 au
tp 2457402.658738673567
(2016-Jan-15.15873867)		 7.9189e-05 TDB
node 71.29110626700268 3.2347e-05 deg
peri 316.1086748751919 3.829e-05 deg
i 10.21445574733068 6.3764e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:46:05  

Additional Information
 Jupiter MOID = 2.18998 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.849758696027756E-15 -1.366644218321862E-14 5.753142656102257E-13 -1.378815425045474E-14 1.699888348738027E-13 -2.578755587788664E-14
q -1.366644218321862E-14 3.865737396223943E-14 -1.938761162638665E-12 3.980384373225595E-14 -5.494707896100375E-13 7.257182274820607E-14
tp 5.753142656102257E-13 -1.938761162638665E-12 6.270941381535139E-9 3.940755378767371E-13 1.661154307390135E-9 -2.196306196963506E-12
node -1.378815425045474E-14 3.980384373225595E-14 3.940755378767371E-13 1.046319736615452E-9 -1.02886872352974E-9 -1.232547496249022E-10
peri 1.699888348738027E-13 -5.494707896100375E-13 1.661154307390135E-9 -1.02886872352974E-9 1.466135029422586E-9 1.206162455680622E-10
i -2.578755587788664E-14 7.257182274820607E-14 -2.196306196963506E-12 -1.232547496249022E-10 1.206162455680622E-10 4.065812330440639E-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 16.1   n/a MPO446199  

215334 (2001 UN165)          Discovered 2001-Oct-23 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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