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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2921249799174916 4.0649e-08  
a 2.746530832576489 1.131e-08 au
q 1.944200568267311 1.1478e-07 au
i 7.861450772297508 3.932e-06 deg
node 227.8263833604088 2.9044e-05 deg
peri 142.2561126068394 2.9668e-05 deg
M 278.5801467613244 8.7266e-06 deg
tp 2459772.513085989889
(2022-Jul-12.01308599)
4.1892e-05 TDB
period 1662.551645230184
4.55
1.0269e-05
2.811e-08
d
yr
n .2165346267785607 1.3375e-09 deg/d
Q 3.548861096885668 1.4614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1344  
   data-arc span      14456 days (39.58 yr)  
   first obs. used      1981-11-28  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:49:27  

Additional Information
 Earth MOID = .950713 au 
 Jupiter MOID = 1.96798 au 
 T_jup = 3.271 
[ 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 14.26   n/a MPCxxxxx  
diameter diameter 7.865 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 186.514 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

Alternate Designations
 1990 UD3 = 1981 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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