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183118 (2002 RE157)
Classification: Main-belt Asteroid          SPK-ID: 2183118
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018968879031822 4.6273e-08  
a 2.410397379513585 9.9418e-09 au
q 1.923745649979807 1.1366e-07 au
i 2.080610024814959 3.8282e-06 deg
node 281.5595073729651 0.00015402 deg
peri 51.30668059223005 0.00015437 deg
M 276.4859136294351 1.1294e-05 deg
tp 2459317.594442311885
(2021-Apr-13.09444231)
4.3615e-05 TDB
period 1366.883171370151
3.74
8.4567e-06
2.315e-08
d
yr
n .2633729111165655 1.6294e-09 deg/d
Q 2.897049109047364 1.1949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:36:57  

Additional Information
 Earth MOID = .914212 au 
 Jupiter MOID = 2.47155 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO436905  

183118 (2002 RE157)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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