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JPL Small-Body Database Browser
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56832 (2000 QM31)
Classification: Main-belt Asteroid          SPK-ID: 2056832
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013507235573441 3.6025e-08  
a 2.751942984497206 1.5333e-08 au
q 2.197837273380137 9.8171e-08 au
i 9.610594290975978 4.0859e-06 deg
node 126.7936108238878 3.1629e-05 deg
peri 166.7235136245376 3.4029e-05 deg
M 146.0905738108316 1.413e-05 deg
tp 2458323.829460643726
(2018-Jul-24.32946064)
6.3316e-05 TDB
period 1667.468254890222
4.57
1.3936e-05
3.815e-08
d
yr
n .2158961641064049 1.8043e-09 deg/d
Q 3.306048695614276 1.842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      15476 days (42.37 yr)  
   first obs. used      1977-07-20  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:47:25  

Additional Information
 Earth MOID = 1.18306 au 
 Jupiter MOID = 1.92328 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456941.5 (2014-Oct-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030350705653369 3.5903e-08  
q 2.191617721283971 9.7906e-08 au
tp 2456658.658863153140
(2014-Jan-01.15886315)
5.9634e-05 TDB
node 126.8866731478579 3.1609e-05 deg
peri 166.8051033344365 3.3976e-05 deg
i 9.616837924890794 4.0894e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      15476 days (42.37 yr)  
   first obs. used      1977-07-20  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:47:25  

Additional Information
 Jupiter MOID = 1.92328 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.289002912118098E-15 -3.488321528164067E-15 4.935719956688145E-14 -4.526910237807565E-15 -3.224820678190918E-15 3.995378344669272E-17
q -3.488321528164067E-15 9.585554261773828E-15 -5.581480587017951E-14 1.03244334710396E-14 3.12169631011432E-14 7.659768224911345E-17
tp 4.935719956688145E-14 -5.581480587017951E-14 3.556271961715905E-9 -1.023179674550313E-11 7.838596947632301E-10 -3.16994628412854E-12
node -4.526910237807565E-15 1.03244334710396E-14 -1.023179674550313E-11 9.991070861312568E-10 -9.86884444239411E-10 1.256474814169E-11
peri -3.224820678190918E-15 3.12169631011432E-14 7.838596947632301E-10 -9.86884444239411E-10 1.154334671048019E-9 -1.308343735583214E-11
i 3.995378344669272E-17 7.659768224911345E-17 -3.16994628412854E-12 1.256474814169E-11 -1.308343735583214E-11 1.672298416974922E-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 14.8   n/a MPO452942  

56832 (2000 QM31)          Discovered 2000-Aug-26 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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