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11888 (1990 UD3)
Classification: Main-belt Asteroid          SPK-ID: 2011888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2915074067481543 4.4362e-08  
a 2.747570393330494 1.1472e-08 au
q 1.946633273112716 1.2448e-07 au
i 7.859731010640109 4.2202e-06 deg
node 227.8375483980566 3.7843e-05 deg
peri 142.309792954164 3.8493e-05 deg
M 106.1368275103271 8.5715e-06 deg
tp 2458110.060692864121
(2017-Dec-22.56069286)
3.8158e-05 TDB
period 1663.495647179931
4.55
1.0418e-05
2.852e-08
d
yr
n .2164117475211287 1.3554e-09 deg/d
Q 3.548507513548274 1.4816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      13613 days (37.27 yr)  
   first obs. used      1981-11-28  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:14:36  

Additional Information
 Earth MOID = .953115 au 
 Jupiter MOID = 1.96305 au 
 T_jup = 3.271 
[ 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 14.2   n/a MPO381361  
diameter diameter 7.865 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11888 (1990 UD3)          Discovered 1990-Oct-19 by Sugie, A. at Dynic
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 UD3 = 1981 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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