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11285 (1990 QU3)
Classification: Main-belt Asteroid          SPK-ID: 2011285
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234615493993072 3.4401e-08  
a 2.280776673531431 7.8327e-09 au
q 1.999188451583443 7.8142e-08 au
i 2.237868483712294 3.8138e-06 deg
node 88.54368836745653 9.6376e-05 deg
peri 197.8954262253338 9.7597e-05 deg
M 155.4710225196484 1.5423e-05 deg
tp 2458057.162694220626
(2017-Oct-30.66269422)
5.3653e-05 TDB
period 1258.121461546667
3.44
6.481e-06
1.774e-08
d
yr
n .2861408941847597 1.474e-09 deg/d
Q 2.56236489547942 8.7997e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      10699 days (29.29 yr)  
   first obs. used      1990-08-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:14:09  

Additional Information
 Earth MOID = .982296 au 
 Jupiter MOID = 2.56427 au 
 T_jup = 3.594 
[ 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 14.3   n/a MPO502256  
diameter diameter 3.937 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11285 (1990 QU3)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QU3 = 1990 QL18 = 1999 BD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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