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344522 (2002 SB20)
Classification: Main-belt Asteroid          SPK-ID: 2344522
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860236870037873 1.06e-07  
a 2.880813041683972 2.4659e-08 au
q 2.344913578101324 2.9849e-07 au
i 13.994724208284 8.9221e-06 deg
node 181.0715935795401 2.7211e-05 deg
peri 186.0908637181468 3.2484e-05 deg
M 217.0028486200106 2.2137e-05 deg
tp 2459709.907742124302
(2022-May-10.40774212)		 0.00011583 TDB
period 1785.957165580898
4.89		 2.2931e-05
6.278e-08		 d
yr
n .2015725835635632 2.5881e-09 deg/d
Q 3.416712505266619 2.9246e-08 au
   Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6459 days (17.68 yr)  
   first obs. used      2002-09-14  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:31  

Additional Information
 Earth MOID = 1.34382 au 
 Jupiter MOID = 2.04429 au 
 T_jup = 3.225 
[ 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 16.3   n/a MPO434167  

344522 (2002 SB20)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2002 SB20 = 2007 RE104 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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