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JPL Small-Body Database Browser
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11047 (1990 QL1)
Classification: Main-belt Asteroid          SPK-ID: 2011047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2284919842379732 4.4524e-08  
a 3.128338693294793 1.7399e-08 au
q 2.413538377895438 1.408e-07 au
i 10.11140933942546 5.5145e-06 deg
node 161.8104523011843 2.4215e-05 deg
peri 241.932793419237 2.6886e-05 deg
M 14.80978960682645 1.0127e-05 deg
tp 2458517.358957760235
(2019-Feb-02.85895776)
5.6759e-05 TDB
period 2021.012857098182
5.53
1.686e-05
4.616e-08
d
yr
n .1781285055835303 1.486e-09 deg/d
Q 3.843139008694149 2.1374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      10705 days (29.31 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:11:24  

Additional Information
 Earth MOID = 1.4408 au 
 Jupiter MOID = 1.69622 au 
 T_jup = 3.150 
[ 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 13.2   n/a MPO502254  
diameter diameter 8.447 km 0.532 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11047 (1990 QL1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QL1 = 1999 GC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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