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173347 (1999 XC93)
Classification: Main-belt Asteroid          SPK-ID: 2173347
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871154461456907 1.3313e-07  
a 2.564424843222394 2.0969e-08 au
q 2.084581344575743 3.5238e-07 au
i 26.07157874014693 5.4758e-06 deg
node 282.72714993 2.004e-05 deg
peri 112.2753386712605 3.8318e-05 deg
M 138.5340559614036 2.7966e-05 deg
tp 2458819.285225375249
(2019-Dec-01.78522538)
0.00011313 TDB
period 1499.972822009946
4.11
1.8398e-05
5.037e-08
d
yr
n .2400043485571986 2.9438e-09 deg/d
Q 3.044268341869045 2.4893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-12-04  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:25:48  

Additional Information
 Earth MOID = 1.2092 au 
 Jupiter MOID = 2.49986 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458150.5 (2018-Feb-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863457349723281 1.3374e-07  
q 2.087805780166462 3.5362e-07 au
tp 2458818.648923556247
(2019-Dec-01.14892356)
0.00011378 TDB
node 282.76193731044 2.0049e-05 deg
peri 112.030797815472 3.8399e-05 deg
i 26.05130424705706 5.4779e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-12-04  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:25:48  

Additional Information
 Jupiter MOID = 2.49986 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.788512853097152E-14 -4.725889735429305E-14 -1.196574727658776E-11 -1.317160001657601E-13 -3.434975582085703E-12 -2.014877779148073E-13
q -4.725889735429305E-14 1.250500835730462E-13 3.155047714446112E-11 3.552510665243624E-13 9.021234313346415E-12 5.327937346785132E-13
tp -1.196574727658776E-11 3.155047714446112E-11 1.294531593982522E-8 1.080569564018459E-10 3.807701246505989E-9 1.439364744808881E-10
node -1.317160001657601E-13 3.552510665243624E-13 1.080569564018459E-10 4.019569387235587E-10 -3.308295030920679E-10 7.171491777910061E-12
peri -3.434975582085703E-12 9.021234313346415E-12 3.807701246505989E-9 -3.308295030920679E-10 1.474490966786724E-9 3.639838701855781E-11
i -2.014877779148073E-13 5.327937346785132E-13 1.439364744808881E-10 7.171491777910061E-12 3.639838701855781E-11 3.000770041785308E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.57   n/a E2021B55  
diameter diameter 5.731 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173347 (1999 XC93)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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