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152218 (2005 RQ23)
Classification: Main-belt Asteroid          SPK-ID: 2152218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218239904066024 5.0197e-08  
a 3.078493506789323 3.4264e-08 au
q 2.703459143351433 1.6924e-07 au
i 11.33697855579495 6.7829e-06 deg
node 317.8011955879901 2.3069e-05 deg
peri 67.00547103518136 3.9438e-05 deg
M 300.7362157318059 3.5791e-05 deg
tp 2459525.282536093250
(2021-Nov-06.78253609)
0.00020005 TDB
period 1972.903256809407
5.40
3.2938e-05
9.018e-08
d
yr
n .1824722011875 3.0464e-09 deg/d
Q 3.453527870227214 3.8438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:11  

Additional Information
 Earth MOID = 1.72927 au 
 Jupiter MOID = 2.12319 au 
 T_jup = 3.187 
[ 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 15.23   n/a E2021B55  
diameter diameter 3.288 km 0.808 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152218 (2005 RQ23)          Discovered 2005-Sep-10 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2005 RQ23 = 2000 XZ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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