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JPL Small-Body Database Browser
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243390 (2008 YX97)
Classification: Main-belt Asteroid          SPK-ID: 2243390
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478391828199058 5.3825e-08  
a 3.090967462726804 2.7082e-08 au
q 2.634001358914355 1.6878e-07 au
i 6.502172572545367 6.7586e-06 deg
node 102.481460524899 5.8154e-05 deg
peri 312.1548949102705 6.3313e-05 deg
M 89.4873510546123 2.4767e-05 deg
tp 2458507.099904897943
(2019-Jan-23.59990490)
0.0001357 TDB
period 1984.906605720626
5.43
2.6086e-05
7.142e-08
d
yr
n .1813687349129965 2.3836e-09 deg/d
Q 3.547933566539252 3.1085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      10288 days (28.17 yr)  
   first obs. used      1991-12-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:20:20  

Additional Information
 Earth MOID = 1.65133 au 
 Jupiter MOID = 1.80977 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457300.5 (2015-Oct-05.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473484237697663 5.3702e-08  
q 2.635122532311974 1.6821e-07 au
tp 2456525.301900556985
(2013-Aug-20.80190056)
0.00013618 TDB
node 102.4989299083041 5.816e-05 deg
peri 312.6263227824427 6.3363e-05 deg
i 6.501967098714317 6.7582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      10288 days (28.17 yr)  
   first obs. used      1991-12-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:20:20  

Additional Information
 Jupiter MOID = 1.80977 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.883879305681285E-15 -8.948718008627628E-15 -3.609955966301361E-13 1.799981319640289E-15 -1.818016029920371E-13 3.437536097512401E-16
q -8.948718008627628E-15 2.829534391200888E-14 7.750743294428052E-13 -3.857500754397671E-15 5.41941235245449E-13 3.591514276424251E-16
tp -3.609955966301361E-13 7.750743294428052E-13 1.854628395766393E-8 1.904365353202929E-11 3.46481304721797E-9 -5.807280433628422E-12
node 1.799981319640289E-15 -3.857500754397671E-15 1.904365353202929E-11 3.382595884949111E-9 -3.356539245768255E-9 1.032213497588902E-10
peri -1.818016029920371E-13 5.41941235245449E-13 3.46481304721797E-9 -3.356539245768255E-9 4.014833686216634E-9 -1.033775717197567E-10
i 3.437536097512401E-16 3.591514276424251E-16 -5.807280433628422E-12 1.032213497588902E-10 -1.033775717197567E-10 4.567259347226528E-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 16.0   n/a MPO418301  
diameter diameter 4.723 km 1.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243390 (2008 YX97)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 YX97 = 1998 AP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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