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47010 (1998 UD20)
Classification: Main-belt Asteroid          SPK-ID: 2047010
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909178982432868 4.3872e-08  
a 3.142159157082128 1.9468e-08 au
q 2.54226473486611 1.3187e-07 au
i 5.264925710938921 4.2921e-06 deg
node 130.4281780748401 4.4202e-05 deg
peri 210.5510693985754 4.5458e-05 deg
M 3.286524290000207 9.3426e-06 deg
tp 2458981.927300103756
(2020-May-12.42730010)
5.277e-05 TDB
period 2034.420370173901
5.57
1.8907e-05
5.176e-08
d
yr
n .1769545789443837 1.6445e-09 deg/d
Q 3.742053579298145 2.3184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      9415 days (25.78 yr)  
   first obs. used      1995-01-29  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:22  

Additional Information
 Earth MOID = 1.53545 au 
 Jupiter MOID = 1.66217 au 
 T_jup = 3.175 
[ 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 MPO436110  
diameter diameter 7.232 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47010 (1998 UD20)          Discovered 1998-Oct-28 by Korlevic, K. at Visnjan
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UD20 = 1997 MH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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