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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0843503896866481 6.5022e-08  
a 2.806713914501386 3.9324e-08 au
q 2.569966502074256 1.8677e-07 au
i 5.76379070078703 7.4405e-06 deg
node 76.79604936141125 7.4423e-05 deg
peri 266.4976508722001 8.7228e-05 deg
M 274.4054974258468 4.8058e-05 deg
tp 2459408.856074248042
(2021-Jul-13.35607425)
0.00023289 TDB
period 1717.495660447786
4.70
3.6095e-05
9.882e-08
d
yr
n .2096075165081585 4.4051e-09 deg/d
Q 3.043461326928515 4.2641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   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      .62628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:04:02  

Additional Information
 Earth MOID = 1.57013 au 
 Jupiter MOID = 2.28181 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456970.5 (2014-Nov-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08357510211582439 6.5084e-08  
q 2.571499140068665 1.8646e-07 au
tp 2457696.163087157665
(2016-Nov-03.66308716)
0.0002214 TDB
node 76.80455193421916 7.4417e-05 deg
peri 267.4390705775598 8.7436e-05 deg
i 5.764314906107218 7.4411e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   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      .62628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:04:02  

Additional Information
 Jupiter MOID = 2.28181 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.235975606978409E-15 -1.190109761320994E-14 1.690230103847272E-12 3.800035908678987E-14 3.568836478364283E-13 -2.836165635557326E-15
q -1.190109761320994E-14 3.47658216485216E-14 -2.463209931646538E-12 -1.117556873997051E-13 -6.4215180331468E-13 1.083749476639251E-14
tp 1.690230103847272E-12 -2.463209931646538E-12 4.901984046742712E-8 3.010072267335898E-12 1.020638560655663E-8 1.309984657029383E-11
node 3.800035908678987E-14 -1.117556873997051E-13 3.010072267335898E-12 5.537875790804822E-9 -5.508195710889295E-9 -7.109208590846216E-11
peri 3.568836478364283E-13 -6.4215180331468E-13 1.020638560655663E-8 -5.508195710889295E-9 7.645037835992143E-9 7.324413484171273E-11
i -2.836165635557326E-15 1.083749476639251E-14 1.309984657029383E-11 -7.109208590846216E-11 7.324413484171273E-11 5.53701623466989E-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

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