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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08031692591626606 4.0982e-08  
a 2.775195918681482 1.8253e-08 au
q 2.552300713677618 1.1826e-07 au
i 3.76629539897983 5.1562e-06 deg
node 298.1818028753834 6.9416e-05 deg
peri 90.09053457824895 7.8055e-05 deg
M 17.16026278549163 3.452e-05 deg
tp 2458920.006588816527
(2020-Mar-11.50658882)
0.00016178 TDB
period 1688.647102219772
4.62
1.666e-05
4.561e-08
d
yr
n .2131884154639359 2.1033e-09 deg/d
Q 2.998091123685347 1.9719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      8051 days (22.04 yr)  
   first obs. used      1998-01-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:42  

Additional Information
 Earth MOID = 1.56033 au 
 Jupiter MOID = 2.36749 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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