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387670 (2002 SL28)
Classification: Main-belt Asteroid          SPK-ID: 2387670
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737920836118508 6.9009e-08  
a 2.281405084635548 2.2706e-08 au
q 1.884914941414065 1.6978e-07 au
i 3.100266650598038 8.2164e-06 deg
node 110.9465447880573 0.00017911 deg
peri 325.6939291353345 0.00018261 deg
M 1.530469561694644 3.6765e-05 deg
tp 2458995.149132086922
(2020-May-25.64913209)
0.0001285 TDB
period 1258.641463326435
3.45
1.879e-05
5.144e-08
d
yr
n .2860226764249161 4.27e-09 deg/d
Q 2.67789522785703 2.6652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2002-09-30  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:02:53  

Additional Information
 Earth MOID = .90123 au 
 Jupiter MOID = 2.56894 au 
 T_jup = 3.583 
[ 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 17.7   n/a MPO455763  
diameter diameter 1.490 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

387670 (2002 SL28)          Discovered 2002-Sep-30 by Pravec, P. at Ondrejov
Reference: Last Updated: 2014-03-21

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