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JPL Small-Body Database Browser
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193873 (2001 QX157)
Classification: Main-belt Asteroid          SPK-ID: 2193873
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720097237516492 4.0816e-08  
a 2.19826072087697 1.4076e-08 au
q 1.820138501544821 8.6648e-08 au
i 1.844489769619911 5.9543e-06 deg
node 189.1888768207491 0.0001542 deg
peri 59.4693678167565 0.00015561 deg
M 339.0085084159482 2.3622e-05 deg
tp 2459069.915750759770
(2020-Aug-08.41575076)		 7.8462e-05 TDB
period 1190.466631370917
3.26		 1.1434e-05
3.13e-08		 d
yr
n .3024024281851828 2.9046e-09 deg/d
Q 2.576382940209119 1.6497e-08 au
   Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:52  

Additional Information
 Earth MOID = .807147 au 
 Jupiter MOID = 2.45095 au 
 T_jup = 3.647 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456512.5 (2013-Aug-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720084987326998 4.0782e-08  
q 1.820085330277269 8.6546e-08 au
tp 2456688.746241008154
(2014-Jan-31.24624101)		 6.9237e-05 TDB
node 189.2155071373745 0.00015429 deg
peri 59.48780165930049 0.0001557 deg
i 1.843420826346695 5.9548e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:52  

Additional Information
 Jupiter MOID = 2.45095 au 
 T_jup = 3.647 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.663144411068491E-15 -3.500620887740229E-15 5.487903459503919E-13 -2.261274159459105E-14 1.062937183821348E-13 4.436755574945097E-16
q -3.500620887740229E-15 7.490188130626241E-15 -9.953030664647845E-13 4.486559404421244E-14 -1.831966198115782E-13 -9.240517301058945E-16
tp 5.487903459503919E-13 -9.953030664647845E-13 4.793751635698989E-9 -4.662516249156255E-11 1.466323560545727E-9 -2.385259393127343E-12
node -2.261274159459105E-14 4.486559404421244E-14 -4.662516249156255E-11 2.380632675300254E-8 -2.380624106662192E-8 -3.920151817086564E-10
peri 1.062937183821348E-13 -1.831966198115782E-13 1.466323560545727E-9 -2.380624106662192E-8 2.424387023894388E-8 3.910780678310353E-10
i 4.436755574945097E-16 -9.240517301058945E-16 -2.385259393127343E-12 -3.920151817086564E-10 3.910780678310353E-10 3.546002358335171E-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 16.9   n/a MPO459867  

193873 (2001 QX157)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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