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JPL Small-Body Database Browser
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245498 (2005 QK144)
Classification: Main-belt Asteroid          SPK-ID: 2245498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230451020777478 6.4357e-08  
a 3.121020987361859 3.3443e-08 au
q 2.42489254264894 1.9854e-07 au
i 12.96481482426145 8.4606e-06 deg
node 145.2799521790423 2.8103e-05 deg
peri 251.1047330965884 3.2985e-05 deg
M 213.4438311399324 1.7841e-05 deg
tp 2459820.370128222761
(2022-Aug-28.87012822)
0.00010531 TDB
period 2013.925776416873
5.51
3.237e-05
8.862e-08
d
yr
n .1787553465056211 2.8731e-09 deg/d
Q 3.817149432074777 4.0902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:52:21  

Additional Information
 Earth MOID = 1.46777 au 
 Jupiter MOID = 1.83804 au 
 T_jup = 3.139 
[ 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 15.6   n/a MPO437144  
diameter diameter 4.230 km 1.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245498 (2005 QK144)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2005 QK144 = 2000 WQ162 = 2005 SV251 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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