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193839 (2001 QM56)
Classification: Main-belt Asteroid          SPK-ID: 2193839
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008509230325738 3.6597e-08  
a 2.318041186911926 1.2052e-08 au
q 1.852460474893143 8.4708e-08 au
i 8.043999963340056 7.1733e-06 deg
node .4897474175910251 2.8894e-05 deg
peri 272.0424679989887 3.3597e-05 deg
M 153.0362368604583 1.7876e-05 deg
tp 2458452.510892048182
(2018-Nov-30.01089205)
6.2114e-05 TDB
period 1289.080827585529
3.53
1.0053e-05
2.752e-08
d
yr
n .2792687566956421 2.178e-09 deg/d
Q 2.783621898930709 1.4473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6689 days (18.31 yr)  
   first obs. used      2001-07-25  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:06  

Additional Information
 Earth MOID = .858016 au 
 Jupiter MOID = 2.38724 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457457.5 (2016-Mar-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008409508265848 3.6511e-08  
q 1.852426224809936 8.45e-08 au
tp 2457164.160044677250
(2015-May-21.66004468)
5.8841e-05 TDB
node .5191066841263907 2.8872e-05 deg
peri 272.120958859555 3.3596e-05 deg
i 8.047299320662063 7.1759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6689 days (18.31 yr)  
   first obs. used      2001-07-25  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:06  

Additional Information
 Jupiter MOID = 2.38724 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.333045351839121E-15 -3.065181714598892E-15 -6.626380543254897E-14 -1.583487246793446E-14 -3.875605082611508E-14 -3.996185641567078E-15
q -3.065181714598892E-15 7.140297132340372E-15 3.008765668673564E-13 3.831121220005949E-14 1.335472990588561E-13 9.403718084917457E-15
tp -6.626380543254897E-14 3.008765668673564E-13 3.462233857864935E-9 1.828067069759249E-11 1.018452191195885E-9 -7.398430659229283E-12
node -1.583487246793446E-14 3.831121220005949E-14 1.828067069759249E-11 8.336053489682349E-10 -8.190580402719908E-10 2.375677619664269E-11
peri -3.875605082611508E-14 1.335472990588561E-13 1.018452191195885E-9 -8.190580402719908E-10 1.128720015665328E-9 -2.56681601961423E-11
i -3.996185641567078E-15 9.403718084917457E-15 -7.398430659229283E-12 2.375677619664269E-11 -2.56681601961423E-11 5.149370896099961E-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 16.6   n/a MPO245325  

193839 (2001 QM56)          Discovered 2001-Aug-16 by LINEAR at Socorro
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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