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JPL Small-Body Database Browser
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344493 (2002 QJ85)
Classification: Main-belt Asteroid          SPK-ID: 2344493
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610331432315545 7.697e-08  
a 2.795296298201565 2.8687e-08 au
q 2.345160949038639 2.1401e-07 au
i 2.506134630929549 7.47e-06 deg
node 266.4937483615221 0.00020278 deg
peri 38.68664129336769 0.00020431 deg
M 219.4739186479285 2.503e-05 deg
tp 2459266.838084520897
(2021-Feb-21.33808452)
0.00012195 TDB
period 1707.026255336386
4.67
2.6278e-05
7.195e-08
d
yr
n .2108930655721277 3.2464e-09 deg/d
Q 3.245431647364492 3.3306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6031 days (16.51 yr)  
   first obs. used      2002-08-08  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58957  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:44:49  

Additional Information
 Earth MOID = 1.32991 au 
 Jupiter MOID = 1.99142 au 
 T_jup = 3.307 
[ show covariance matrix ]

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 17.0   n/a MPO434167  

344493 (2002 QJ85)          Discovered 2002-Aug-17 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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