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22665 (1998 QL23)
Classification: Main-belt Asteroid          SPK-ID: 2022665
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871263839339719 3.9781e-08  
a 3.156541723613388 1.6877e-08 au
q 2.565869485136908 1.3037e-07 au
i 5.163281938625086 4.3524e-06 deg
node 351.7538045881868 3.8167e-05 deg
peri 32.43567706535533 3.9715e-05 deg
M 322.2405721645807 1.1206e-05 deg
tp 2459415.351619856734
(2021-Jul-19.85161986)
6.4668e-05 TDB
period 2048.404533181809
5.61
1.6428e-05
4.498e-08
d
yr
n .1757465354955098 1.4095e-09 deg/d
Q 3.747213962089868 2.0035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      16156 days (44.23 yr)  
   first obs. used      1976-09-28  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:56  

Additional Information
 Earth MOID = 1.56992 au 
 Jupiter MOID = 1.74078 au 
 T_jup = 3.172 
[ 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 13.82   n/a E2021B10  
diameter diameter 9.213 km 2.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.076   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

22665 (1998 QL23)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QL23 = 1976 SM11 = 1993 VK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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