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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05446313980341049 4.6828e-08  
a 1.956075296101157 7.2069e-09 au
q 1.849541293783602 9.212e-08 au
i 20.35957693387945 6.061e-06 deg
node 210.4406545011489 1.1191e-05 deg
peri 26.82255563090505 4.7501e-05 deg
M 284.2022363686889 4.6768e-05 deg
tp 2459410.892701794888
(2021-Jul-15.39270179)
0.00013 TDB
period 999.2560336552203
2.74
5.5224e-06
1.512e-08
d
yr
n .360268027287402 1.991e-09 deg/d
Q 2.062609298418712 7.5994e-09 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7498 days (20.53 yr)  
   first obs. used      2000-10-20  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5845  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:01:39  

Additional Information
 Earth MOID = .84904 au 
 Jupiter MOID = 2.91446 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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