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172939 (2005 JY49)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172939
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596355511825324 5.808e-08  
a 3.228113404746259 3.3924e-08 au
q 2.712791742099869 1.9169e-07 au
i 6.25554320545894 4.9835e-06 deg
node 78.87914784843562 6.0863e-05 deg
peri 265.1459102396641 6.2812e-05 deg
M 112.2984967846915 1.5444e-05 deg
tp 2458339.664988972316
(2018-Aug-09.16498897)
9.1467e-05 TDB
period 2118.466504730602
5.80
3.3395e-05
9.143e-08
d
yr
n .1699342421492663 2.6788e-09 deg/d
Q 3.74343506739265 3.934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2001-10-17  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:20:15  

Additional Information
 Earth MOID = 1.71454 au 
 Jupiter MOID = 1.70707 au 
 T_jup = 3.158 
[ 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 15.0   n/a MPO459804  
diameter diameter 5.513 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172939 (2005 JY49)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1981-May-27 15:13 00:02 Jupiter 1.89568003097962 1.89567915348554 1.89568090847348 2.29142068120077 2.08733664318591 2444752.133744987 1.85056704644447 108.707104894606 17.7148857458424 89.5227706694861 1435268.29798389 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
1992-Aug-24 18:11 00:01 Jupiter 1.78177760618 1.78177687175828 1.78177834060102 1.80446289203024 1.51832971365868 2448859.257528009 1.25761614896696 122.276076223074 43.1038684740877 -89.3446964316397 1471422.84161612 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2003-Dec-06 12:35 < 00:01 Jupiter 1.71134299771993 1.71134235555085 1.71134363988832 1.61626826197519 1.27374680601848 2452980.024381352 0.673861637606298 130.886783661194 66.2140247633966 -66.7357464232516 1627723.3564921 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2015-Mar-25 03:47 < 00:01 Jupiter 1.68741816311436 1.68741757363062 1.68741875259771 1.71553250894734 1.39252452962715 2457106.657551668 0.360617511792816 105.934328363866 48.4154173555225 -58.8330430036942 1672816.16315893 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2026-Jul-01 14:08 < 00:01 Jupiter 1.71490267564896 1.71490208589366 1.71490326540396 2.07573389005568 1.82231549521532 2461223.088618619 0.789032759226552 84.854597369604 19.837669008523 -73.3054477938559 1719056.5666998 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2037-Sep-16 19:31 00:01 Jupiter 1.79900688469247 1.79900613286899 1.79900763651564 2.69294993204189 2.51203576157692 2465318.313177420 1.38342037173285 77.6714840933357 18.9690425142352 -85.9449765796756 1595116.80916368 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2048-Nov-07 04:46 00:02 Jupiter 1.93513563267172 1.93513460391309 1.93513666143012 3.57542622666012 3.45083447812012 2469387.698911884 1.93140978509478 65.5578942035025 39.3369265888101 -86.7951952211168 1363891.26797194 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2159-Nov-28 04:59 00:04 Jupiter 1.90448027217149 1.90447867131075 1.90448187303116 2.51279377046614 2.3290829464902 2509949.707378424 4.15422859227462 111.039141921466 26.4792711424361 -87.2448009496413 818164.608959845 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2171-Feb-26 01:14 00:04 Jupiter 1.7993738517502 1.79937250935535 1.79937519414587 1.98407714353403 1.73063528368911 2514057.551082894 4.36336704463596 202.053254616145 36.1885037383273 77.8094914812875 1021589.90081009 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2182-Jun-09 11:13 00:05 Jupiter 1.73878400290325 1.73878307278211 1.73878493302974 1.68542650223223 1.3661597740731 2518178.967287347 4.72471919817933 328.820732501187 74.2950862009137 77.3907569157277 1317422.72810437 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
2193-Sep-27 01:05 00:05 Jupiter 1.72026647319963 1.72026588133825 1.72026706506033 1.64041126313371 1.30621276019727 2522306.545480025 5.36090967632118 418.595634235927 61.8880006580949 -82.45558304334 1745540.7327679 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 03:20:20 2019-Jul-14 03:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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