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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054909441088114 3.1854e-08  
a 2.79385430712966 1.4736e-08 au
q 2.499127978568083 9.1214e-08 au
i 12.9999542538077 3.4091e-06 deg
node 202.3795923143869 1.616e-05 deg
peri 257.4335378614697 2.5356e-05 deg
M 285.9051920781089 2.2552e-05 deg
tp 2459747.566455958355
(2022-Jun-17.06645596)
0.00010848 TDB
period 1705.705537130734
4.67
1.3495e-05
3.695e-08
d
yr
n .2110563588868785 1.6698e-09 deg/d
Q 3.088580635691236 1.629e-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 = 1.55404 au 
 Jupiter MOID = 2.17096 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 14.60   n/a MPCxxxxx  
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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