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317367 (2002 NX57)
Classification: Main-belt Asteroid          SPK-ID: 2317367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008959186909241 4.5373e-08  
a 2.35161573927891 9.9814e-09 au
q 1.879185734928437 1.082e-07 au
i 3.000623267684223 5.3005e-06 deg
node 132.9073889462582 9.866e-05 deg
peri 167.8657164197795 9.9894e-05 deg
M 40.37360585356229 1.3251e-05 deg
tp 2459052.778740325889
(2020-Jul-22.27874033)
4.8482e-05 TDB
period 1317.188602761068
3.61
8.3862e-06
2.296e-08
d
yr
n .2733093797238863 1.7401e-09 deg/d
Q 2.824045743629383 1.1987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2002-07-04  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:49:46  

Additional Information
 Earth MOID = .861797 au 
 Jupiter MOID = 2.40204 au 
 T_jup = 3.528 
[ 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 17.73   n/a E2021B25  

317367 (2002 NX57)          Discovered 2002-Jul-14 by NEAT at Palomar
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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