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85708 (1998 SL35)
Classification: Main-belt Asteroid          SPK-ID: 2085708
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692544481431005 3.4263e-08  
a 2.267641747571534 7.2647e-09 au
q 1.883833295000058 7.7253e-08 au
i 4.998119470052641 4.5102e-06 deg
node 164.4045270502579 3.9876e-05 deg
peri 245.6224724706871 4.1888e-05 deg
M 84.73642426280175 1.3186e-05 deg
tp 2458706.919148779048
(2019-Aug-11.41914878)		 4.5225e-05 TDB
period 1247.268897159954
3.41		 5.9937e-06
1.641e-08		 d
yr
n .2886306239333991 1.387e-09 deg/d
Q 2.65145020014301 8.4943e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Earth MOID = .900405 au 
 Jupiter MOID = 2.72529 au 
 T_jup = 3.591 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO309784  
diameter diameter 2.370 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85708 (1998 SL35)          Discovered 1998-Sep-27 by Cooney Jr., W. R., Wefel, K. at Baton Rouge
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SL35 = 2000 EC38 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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