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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456628.5 (2013-Dec-02.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689726119179858 3.4276e-08  
q 1.884191662976884 7.7249e-08 au
tp 2456210.605919308356
(2012-Oct-10.10591931)
4.3123e-05 TDB
node 164.4724232936992 3.9833e-05 deg
peri 245.1968111376984 4.1866e-05 deg
i 5.000101721381737 4.5136e-06 deg
  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
 Jupiter MOID = 2.72529 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.174823420348168E-15 -2.639809736112478E-15 -2.948005074323447E-13 -9.612895961078974E-15 -1.069294732177781E-13 -8.384821661883234E-16
q -2.639809736112478E-15 5.967415696015797E-15 6.843767171424786E-13 2.187791987295747E-14 2.491363833368654E-13 1.898670470520465E-15
tp -2.948005074323447E-13 6.843767171424786E-13 1.859561381829675E-9 -1.855255669904747E-12 5.636108547905134E-10 -1.852927257632603E-12
node -9.612895961078974E-15 2.187791987295747E-14 -1.855255669904747E-12 1.586690737415602E-9 -1.580450119699331E-9 1.691750655521856E-11
peri -1.069294732177781E-13 2.491363833368654E-13 5.636108547905134E-10 -1.580450119699331E-9 1.752766741520406E-9 -1.739394040283548E-11
i -8.384821661883234E-16 1.898670470520465E-15 -1.852927257632603E-12 1.691750655521856E-11 -1.739394040283548E-11 2.037218246092811E-11

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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