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JPL Small-Body Database Browser
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20841 (2000 UM69)
Classification: Main-belt Asteroid          SPK-ID: 2020841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0594052369330361 4.4361e-08  
a 3.135784867950572 2.2375e-08 au
q 2.949502824898939 1.3682e-07 au
i 7.520582161434057 4.917e-06 deg
node 245.6121175357083 3.844e-05 deg
peri 139.9047694670572 5.9885e-05 deg
M 132.6878388281135 4.5331e-05 deg
tp 2457852.939343597727
(2017-Apr-09.43934360)
0.00025439 TDB
period 2028.232871088089
5.55
2.1708e-05
5.943e-08
d
yr
n .1774944115795097 1.8997e-09 deg/d
Q 3.322066911002205 2.3704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      14759 days (40.41 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53444  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:46:10  

Additional Information
 Earth MOID = 1.95862 au 
 Jupiter MOID = 2.04635 au 
 T_jup = 3.196 
[ 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 13.6   n/a MPO474040  
diameter diameter 10.275 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20841 (2000 UM69)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 UM69 = 1978 WT = 1998 MX48 = 1999 PJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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