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237540 (2000 UN)
Classification: Inner Main-belt Asteroid          SPK-ID: 2237540
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05439252390357249 4.6705e-08  
a 1.955847051310675 7.1161e-09 au
q 1.849463593820527 9.1921e-08 au
i 20.36087619407428 6.0546e-06 deg
node 210.4388344492993 1.101e-05 deg
peri 26.92682230670655 4.7134e-05 deg
M 354.7208212513024 4.6307e-05 deg
tp 2459411.150910915828
(2021-Jul-15.65091092)
0.00012852 TDB
period 999.0811413610983
2.74
5.4525e-06
1.493e-08
d
yr
n .3603310933379785 1.9665e-09 deg/d
Q 2.062230508800823 7.5031e-09 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      2000-10-20  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:07:17  

Additional Information
 Earth MOID = .850635 au 
 Jupiter MOID = 2.9138 au 
 T_jup = 3.808 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO533682  

237540 (2000 UN)          Discovered 2000-Oct-20 by Kusnirak, P. at Ondrejov
Reference: 20100428/Numbers.arcLast Updated: 2010-05-03

Alternate Designations
 2000 UN = 2002 JY124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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