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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2918367357303802 4.4443e-08  
a 2.74669543968638 1.1442e-08 au
q 1.945108808522785 1.2466e-07 au
i 7.860506716418116 4.1619e-06 deg
node 227.829046095558 3.4919e-05 deg
peri 142.2721077437522 3.5471e-05 deg
M 192.781978129881 8.5693e-06 deg
tp 2459772.815529086030
(2022-Jul-12.31552909)
4.2635e-05 TDB
period 1662.701109375185
4.55
1.039e-05
2.845e-08
d
yr
n .2165151619675541 1.3529e-09 deg/d
Q 3.548282070849974 1.4781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      14029 days (38.41 yr)  
   first obs. used      1981-11-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:38:10  

Additional Information
 Earth MOID = .9524 au 
 Jupiter MOID = 1.96653 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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