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344492 (2002 QU84)
Classification: Main-belt Asteroid          SPK-ID: 2344492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08431899029313553 7.416e-08  
a 2.805639383865686 4.2297e-08 au
q 2.569070703891477 2.1803e-07 au
i 5.764350729110378 7.4695e-06 deg
node 76.79412771549427 8.1641e-05 deg
peri 266.8359384916599 9.352e-05 deg
M 190.1621918159107 4.739e-05 deg
tp 2459410.300566963834
(2021-Jul-14.80056696)
0.00023306 TDB
period 1716.509458194309
4.70
3.8817e-05
1.063e-07
d
yr
n .209727944277513 4.7427e-09 deg/d
Q 3.042208063839896 4.5864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6071 days (16.62 yr)  
   first obs. used      2002-08-19  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:31:12  

Additional Information
 Earth MOID = 1.56843 au 
 Jupiter MOID = 2.28308 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456869.5 (2014-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08342721748994056 7.4274e-08  
q 2.572235768649087 2.1822e-07 au
tp 2457696.411779095701
(2016-Nov-03.91177910)
0.00022182 TDB
node 76.8086890804603 8.1632e-05 deg
peri 267.4492859729682 9.374e-05 deg
i 5.764232799166808 7.469e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6071 days (16.62 yr)  
   first obs. used      2002-08-19  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:31:12  

Additional Information
 Jupiter MOID = 2.28308 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.516662403324536E-15 -1.595902184149328E-14 1.735195591630206E-12 5.929966191281129E-14 4.680256984054173E-13 -4.665428939466971E-15
q -1.595902184149328E-14 4.762086207561309E-14 -2.630532979301306E-12 -1.779290019113526E-13 -1.001312801039147E-12 1.648866993131899E-14
tp 1.735195591630206E-12 -2.630532979301306E-12 4.920354872009259E-8 -1.877816156759281E-11 1.027020633580457E-8 1.351539819263719E-11
node 5.929966191281129E-14 -1.779290019113526E-13 -1.877816156759281E-11 6.663770253571145E-9 -6.631492522813393E-9 -9.271798354544875E-11
peri 4.680256984054173E-13 -1.001312801039147E-12 1.027020633580457E-8 -6.631492522813393E-9 8.787211794531419E-9 9.469008700809235E-11
i -4.665428939466971E-15 1.648866993131899E-14 1.351539819263719E-11 -9.271798354544875E-11 9.469008700809235E-11 5.578624647617673E-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 MPO434167  

344492 (2002 QU84)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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