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100269 (1994 UM6)
Classification: Main-belt Asteroid          SPK-ID: 2100269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104155703916796 4.5775e-08  
a 3.128716507004596 1.7716e-08 au
q 2.47038583858936 1.4628e-07 au
i 11.13305813100154 5.8082e-06 deg
node 16.46466871375626 1.9539e-05 deg
peri 232.4747026623002 2.3258e-05 deg
M 22.21251353554197 1.071e-05 deg
tp 2459075.778032915815
(2020-Aug-14.27803292)
6.0304e-05 TDB
period 2021.378988850719
5.53
1.7168e-05
4.7e-08
d
yr
n .1780962412222769 1.5126e-09 deg/d
Q 3.787047175419832 2.1443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      10330 days (28.28 yr)  
   first obs. used      1992-04-09  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:05  

Additional Information
 Earth MOID = 1.47483 au 
 Jupiter MOID = 1.37162 au 
 T_jup = 3.151 
[ 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 14.51   n/a E2021B55  
diameter diameter 7.229 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100269 (1994 UM6)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 UM6 = 2003 EG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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