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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613231599912568 5.9685e-08  
a 2.795304617181837 2.4737e-08 au
q 2.344357243199913 1.7459e-07 au
i 2.506085247687014 6.4215e-06 deg
node 266.4949265916037 0.00016606 deg
peri 38.67981812669989 0.00016791 deg
M 303.8691250604691 2.4409e-05 deg
tp 2459266.659180535606
(2021-Feb-21.15918054)
0.00011661 TDB
period 1707.033875670758
4.67
2.266e-05
6.204e-08
d
yr
n .2108921241287859 2.7995e-09 deg/d
Q 3.246251991163762 2.8728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6470 days (17.71 yr)  
   first obs. used      2002-08-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:26:25  

Additional Information
 Earth MOID = 1.32989 au 
 Jupiter MOID = 1.99261 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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