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22659 (1998 QW11)
Classification: Main-belt Asteroid          SPK-ID: 2022659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08936932162352254 6.0027e-08  
a 2.972019674163233 1.9526e-08 au
q 2.706412292031502 1.7703e-07 au
i 10.13533400564004 5.097e-06 deg
node 163.2901610564588 2.5878e-05 deg
peri 197.9935145967886 3.4045e-05 deg
M 97.05516151102269 2.2394e-05 deg
tp 2458695.964089397398
(2019-Jul-31.46408940)
0.00011647 TDB
period 1871.440168551042
5.12
1.8443e-05
5.049e-08
d
yr
n .1923652201388459 1.8957e-09 deg/d
Q 3.237627056294963 2.1271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      10926 days (29.91 yr)  
   first obs. used      1991-03-12  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:49  

Additional Information
 Earth MOID = 1.7027 au 
 Jupiter MOID = 2.20544 au 
 T_jup = 3.233 
[ 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 14.5   n/a MPO452489  
diameter diameter 4.532 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22659 (1998 QW11)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QW11 = 1993 PX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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