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146663 (2001 UD137)
Classification: Main-belt Asteroid          SPK-ID: 2146663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08011324654783762 4.1052e-08  
a 2.774968008865324 1.871e-08 au
q 2.552656312608734 1.1849e-07 au
i 3.766157948798726 5.2458e-06 deg
node 298.1830521868761 6.946e-05 deg
peri 89.97114360341378 7.8257e-05 deg
M 291.9724331902908 3.4853e-05 deg
tp 2458919.556674836796
(2020-Mar-11.05667484)
0.00016408 TDB
period 1688.439089149564
4.62
1.7076e-05
4.675e-08
d
yr
n .2132146799452064 2.1563e-09 deg/d
Q 2.997279705121914 2.0209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1998-01-08  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:06:41  

Additional Information
 Earth MOID = 1.55993 au 
 Jupiter MOID = 2.36916 au 
 T_jup = 3.328 
[ show covariance matrix ]

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 16.0   n/a MPO453932  
diameter diameter 4.207 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146663 (2001 UD137)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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