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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009860608515718 3.6881e-08  
a 2.317535021653864 1.2134e-08 au
q 1.851742786766092 8.5491e-08 au
i 8.045067384957033 7.2736e-06 deg
node .4966920183822188 2.9203e-05 deg
peri 271.9665869811067 3.3933e-05 deg
M 41.37475025200863 1.7515e-05 deg
tp 2458452.394642082991
(2018-Nov-29.89464208)
6.2212e-05 TDB
period 1288.658626949286
3.53
1.0121e-05
2.771e-08
d
yr
n .2793602529571762 2.1941e-09 deg/d
Q 2.783327256541636 1.4573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2001-07-25  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:37:33  

Additional Information
 Earth MOID = .856865 au 
 Jupiter MOID = 2.38661 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008210858590288 3.6797e-08  
q 1.852480202933586 8.5284e-08 au
tp 2457164.159582745980
(2015-May-21.65958275)
5.9085e-05 TDB
node .5191383384666206 2.9185e-05 deg
peri 272.1235972953393 3.394e-05 deg
i 8.047317755361687 7.2752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6679 days (18.29 yr)  
   first obs. used      2001-07-25  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:37:33  

Additional Information
 Jupiter MOID = 2.38661 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.353987399880849E-15 -3.117953396649437E-15 -4.199141171704466E-14 -1.566492901767401E-14 -2.952348620055475E-14 -4.239195890689938E-15
q -3.117953396649437E-15 7.273320204491156E-15 2.397774139037918E-13 3.789704770975837E-14 1.102986837147819E-13 1.001334360093265E-14
tp -4.199141171704466E-14 2.397774139037918E-13 3.491015500168831E-9 1.652302190747801E-11 1.031252924757212E-9 -7.129325341236197E-12
node -1.566492901767401E-14 3.789704770975837E-14 1.652302190747801E-11 8.517540046145985E-10 -8.376003361514428E-10 1.865080824249049E-11
peri -2.952348620055475E-14 1.102986837147819E-13 1.031252924757212E-9 -8.376003361514428E-10 1.151907168406268E-9 -2.053870555483844E-11
i -4.239195890689938E-15 1.001334360093265E-14 -7.129325341236197E-12 1.865080824249049E-11 -2.053870555483844E-11 5.292874638790152E-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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