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JPL Small-Body Database Browser
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97292 (1999 XQ172)
Classification: Main-belt Asteroid          SPK-ID: 2097292
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06604907696277312 4.3899e-08  
a 3.042242712924693 2.7542e-08 au
q 2.841305389839294 1.2941e-07 au
i 12.00723718685971 4.8313e-06 deg
node 73.44434797279811 2.1222e-05 deg
peri 136.4486051146405 4.1363e-05 deg
M 208.481458293229 3.7498e-05 deg
tp 2459816.241387350356
(2022-Aug-24.74138735)
0.00020655 TDB
period 1938.158169542396
5.31
2.632e-05
7.206e-08
d
yr
n .185743354519408 2.5224e-09 deg/d
Q 3.243180036010091 2.9362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      1999-12-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:48  

Additional Information
 Earth MOID = 1.84603 au 
 Jupiter MOID = 1.78252 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457270.5 (2015-Sep-05.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06717145242226295 4.3885e-08  
q 2.836566068988393 1.2944e-07 au
tp 2457887.727824890156
(2017-May-14.22782489)
0.00019289 TDB
node 73.53937876146756 2.1256e-05 deg
peri 138.2453332662147 4.087e-05 deg
i 11.99973078724793 4.8278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      1999-12-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:48  

Additional Information
 Jupiter MOID = 1.78252 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.925851482653342E-15 -5.575337617456255E-15 8.32782915079535E-13 -5.959799358622566E-15 1.562349829526281E-13 1.145897802791289E-15
q -5.575337617456255E-15 1.675451989561178E-14 -9.930312682602121E-13 1.60320778875017E-14 -2.342460131689831E-13 -1.829803836906351E-15
tp 8.32782915079535E-13 -9.930312682602121E-13 3.720795300713248E-8 -3.952766156207157E-11 6.751017304973983E-9 9.37230069085793E-12
node -5.959799358622566E-15 1.60320778875017E-14 -3.952766156207157E-11 4.518172300833117E-10 -4.488496824532924E-10 -7.742974818053818E-12
peri 1.562349829526281E-13 -2.342460131689831E-13 6.751017304973983E-9 -4.488496824532924E-10 1.670384130925655E-9 9.137080560815475E-12
i 1.145897802791289E-15 -1.829803836906351E-15 9.37230069085793E-12 -7.742974818053818E-12 9.137080560815475E-12 2.330765784560008E-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 14.5   n/a MPO449594  
diameter diameter 4.787 km 1.625 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97292 (1999 XQ172)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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