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234871 (2002 SK28)
Classification: Main-belt Asteroid          SPK-ID: 2234871
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281812677601447 5.0954e-08  
a 3.04920949038398 3.4999e-08 au
q 2.658357952240297 1.5005e-07 au
i 12.84793204158955 5.9528e-06 deg
node 64.63233154956096 2.4296e-05 deg
peri 241.6040144756935 3.9108e-05 deg
M 184.9966365036835 3.602e-05 deg
tp 2459945.916583658629
(2023-Jan-01.41658366)
0.00020217 TDB
period 1944.819592706115
5.32
3.3484e-05
9.167e-08
d
yr
n .185107143793774 3.187e-09 deg/d
Q 3.440061028527663 3.9485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      6334 days (17.34 yr)  
   first obs. used      2002-09-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:37:16  

Additional Information
 Earth MOID = 1.67182 au 
 Jupiter MOID = 1.82604 au 
 T_jup = 3.187 
[ 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 15.1   n/a MPO503136  

234871 (2002 SK28)          Discovered 2002-Sep-30 by Pravec, P. at Ondrejov
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

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