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14745 (2154 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2014745
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1053241804548956 3.184e-08  
a 2.795397176475633 1.4912e-08 au
q 2.500974259817408 9.116e-08 au
i 12.99462724061124 3.408e-06 deg
node 202.3951611323537 1.6167e-05 deg
peri 257.1223013811207 2.5358e-05 deg
M 244.8462070782416 2.2365e-05 deg
tp 2459746.558858174803
(2022-Jun-16.05885817)
0.0001086 TDB
period 1707.118662400437
4.67
1.366e-05
3.74e-08
d
yr
n .2108816498402002 1.6874e-09 deg/d
Q 3.089820093133858 1.6482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      21986 days (60.19 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:38:23  

Additional Information
 Earth MOID = 1.55536 au 
 Jupiter MOID = 2.17156 au 
 T_jup = 3.282 
[ 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 14.57   n/a E2020-QM5  
diameter diameter 4.212 km 0.879 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14745 (2154 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2154 P-L = 1998 XB87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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