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JPL Small-Body Database Browser
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17192 Loharu (1999 XL172)
Classification: Main-belt Asteroid          SPK-ID: 2017192
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09434531803226176 3.0381e-08  
a 2.525748837090147 9.898e-09 au
q 2.287456259785261 7.645e-08 au
i 4.617701115193524 4.6474e-06 deg
node 329.5666080092529 4.6642e-05 deg
peri 76.15538748483078 5.5342e-05 deg
M 81.15719344002039 2.8859e-05 deg
tp 2458669.972051099419
(2019-Jul-05.47205110)
0.00011757 TDB
period 1466.167773435259
4.01
8.6185e-06
2.36e-08
d
yr
n .2455380663268251 1.4433e-09 deg/d
Q 2.764041414395032 1.0832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      13657 days (37.39 yr)  
   first obs. used      1982-09-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:07  

Additional Information
 Earth MOID = 1.30179 au 
 Jupiter MOID = 2.55037 au 
 T_jup = 3.443 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456613.5 (2013-Nov-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0933368417581716 2.9983e-08  
q 2.290236679475402 7.5222e-08 au
tp 2457199.908680214682
(2015-Jun-26.40868021)
0.00012036 TDB
node 329.6888849729125 4.6561e-05 deg
peri 75.19918136512486 5.5601e-05 deg
i 4.623071651977353 4.6497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      13657 days (37.39 yr)  
   first obs. used      1982-09-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:07  

Additional Information
 Jupiter MOID = 2.55037 au 
 T_jup = 3.443 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.989726282926323E-16 -2.239597480442208E-15 1.106260400008921E-12 -6.9530729404826E-15 2.950697728544245E-13 -5.621209595732628E-16
q -2.239597480442208E-15 5.658327709364929E-15 -2.870485859267902E-12 1.667583391136369E-14 -7.702144325694759E-13 1.605761392624867E-15
tp 1.106260400008921E-12 -2.870485859267902E-12 1.448733723504838E-8 8.562713932759275E-13 3.670650324698987E-9 -1.080249865724258E-11
node -6.9530729404826E-15 1.667583391136369E-14 8.562713932759275E-13 2.167895093579296E-9 -2.160247676972484E-9 -8.006597500843835E-11
peri 2.950697728544245E-13 -7.702144325694759E-13 3.670650324698987E-9 -2.160247676972484E-9 3.091477444389136E-9 7.710241731360139E-11
i -5.621209595732628E-16 1.605761392624867E-15 -1.080249865724258E-11 -8.006597500843835E-11 7.710241731360139E-11 2.161982195196442E-11

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 14.2   n/a MPO309288  
diameter diameter 3.859 km 0.932 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.298   0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17192 Loharu           Discovered 1999 Dec. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Evgeniy E. Loharu (b. 1985) was awarded second place in the 2003 Intel International Science and Engineering Fair for his mathematics team project; and third place in the American Mathematical Society's Karl Menger Memorial Prize. He attends the Continuous Math Education Center, St. Petersburg, Russia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 1999 XL172 = 1988 AX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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