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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08438873643602936 5.7127e-08  
a 2.808629773372282 3.1002e-08 au
q 2.571613055680784 1.7549e-07 au
i 5.761108012564839 7.4042e-06 deg
node 76.78734419214406 5.0108e-05 deg
peri 266.0051337043959 6.791e-05 deg
M 316.7816060141357 4.6604e-05 deg
tp 2459406.898384358035
(2021-Jul-11.39838436)
0.00022375 TDB
period 1719.254500599804
4.71
2.8466e-05
7.794e-08
d
yr
n .2093930828009495 3.4669e-09 deg/d
Q 3.045646491063781 3.3618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6546 days (17.92 yr)  
   first obs. used      2002-08-19  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:37  

Additional Information
 Earth MOID = 1.56979 au 
 Jupiter MOID = 2.27702 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457779.5 (2017-Jan-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08391335314294214 5.7257e-08  
q 2.571499847807178 1.754e-07 au
tp 2457694.924381668270
(2016-Nov-02.42438167)
0.00021706 TDB
node 76.796612350375 5.0076e-05 deg
peri 267.1758041016662 6.8069e-05 deg
i 5.763654517624018 7.408e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6546 days (17.92 yr)  
   first obs. used      2002-08-19  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:37  

Additional Information
 Jupiter MOID = 2.27702 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.278372006518683E-15 -9.938559058693336E-15 4.59168912051143E-13 1.580225113382914E-14 2.399467052265813E-13 -3.574903258747798E-15
q -9.938559058693336E-15 3.076653062620823E-14 1.207183237502437E-13 -5.416688541660693E-14 -4.0257986776888E-13 1.248079078585632E-14
tp 4.59168912051143E-13 1.207183237502437E-13 4.711316201094524E-8 -6.113471851301839E-11 1.001414580742201E-8 1.37199623386025E-11
node 1.580225113382914E-14 -5.416688541660693E-14 -6.113471851301839E-11 2.50760844004062E-9 -2.506641844885822E-9 -5.621814475145333E-11
peri 2.399467052265813E-13 -4.0257986776888E-13 1.001414580742201E-8 -2.506641844885822E-9 4.633382290953956E-9 5.866589799679489E-11
i -3.574903258747798E-15 1.248079078585632E-14 1.37199623386025E-11 -5.621814475145333E-11 5.866589799679489E-11 5.487876599884868E-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 16.84   n/a E2021B25  

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

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