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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454262593515256 5.1235e-08  
a 1.956051523295901 9.3736e-09 au
q 1.849363336750887 9.8583e-08 au
i 20.35976231076867 6.1049e-06 deg
node 210.4472052025556 1.2533e-05 deg
peri 26.7868369738837 5.7403e-05 deg
M 212.1873690459711 5.9266e-05 deg
tp 2459410.777696453540
(2021-Jul-15.27769645)
0.00016596 TDB
period 999.2378172959416
2.74
7.1826e-06
1.966e-08
d
yr
n .3602745950650703 2.5897e-09 deg/d
Q 2.062739709840914 9.8848e-09 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2000-10-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 08:09:30  

Additional Information
 Earth MOID = .849889 au 
 Jupiter MOID = 2.91546 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 17.3   n/a MPO494307  

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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