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129590 (1997 UN)
Classification: Main-belt Asteroid          SPK-ID: 2129590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201174416486644 7.7055e-08  
a 3.036723157996645 2.6149e-08 au
q 2.671959741262835 2.3509e-07 au
i 11.36530204874997 6.5669e-06 deg
node 30.51579121517547 2.9323e-05 deg
peri 309.8659249057065 3.638e-05 deg
M 131.5038734464812 2.2995e-05 deg
tp 2458294.438918895526
(2018-Jun-24.93891890)
0.0001225 TDB
period 1932.885948801016
5.29
2.4966e-05
6.835e-08
d
yr
n .1862499958796383 2.4057e-09 deg/d
Q 3.401486574730455 2.929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      9065 days (24.82 yr)  
   first obs. used      1995-03-26  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:05:04  

Additional Information
 Earth MOID = 1.68188 au 
 Jupiter MOID = 2.09618 au 
 T_jup = 3.201 
[ 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 15.1   n/a MPO280655  
diameter diameter 4.612 km 0.723 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129590 (1997 UN)          Discovered 1997-Oct-19 by Klet at Klet
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1997 UN = 2002 RA136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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