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JPL Small-Body Database Browser
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39018 (2000 UM53)
Classification: Outer Main-belt Asteroid          SPK-ID: 2039018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2413198305308109 3.9016e-08  
a 3.286244539571747 2.0983e-08 au
q 2.493208564199491 1.3152e-07 au
i 3.861418199574795 5.4825e-06 deg
node 158.8615543989887 7.6695e-05 deg
peri 324.1790113613023 7.7692e-05 deg
M 57.06674282156618 1.2705e-05 deg
tp 2458655.571700356438
(2019-Jun-21.07170036)
7.5473e-05 TDB
period 2175.94665004703
5.96
2.084e-05
5.706e-08
d
yr
n .1654452327644242 1.5845e-09 deg/d
Q 4.079280514944004 2.6046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      9220 days (25.24 yr)  
   first obs. used      1994-10-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:04:04  

Additional Information
 Earth MOID = 1.51011 au 
 Jupiter MOID = 1.02836 au 
 T_jup = 3.122 
[ 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 14.4   n/a PDS3 (MPO 26721)  
diameter diameter 7.031 km 1.970 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39018 (2000 UM53)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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