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JPL Small-Body Database Browser
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185716 (1998 SF35)
Classification: Amor [NEO]          SPK-ID: 2185716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738676964813394 1.068e-07  
a 1.685248611624625 1.1341e-08 au
q 1.223713456360614 1.7323e-07 au
i 35.18468638129687 1.3291e-05 deg
node 218.5945017505389 9.6982e-06 deg
peri 253.7778686962768 2.2803e-05 deg
M 254.30762267406 2.5051e-05 deg
tp 2459235.104079469676
(2021-Jan-20.60407947)
5.6623e-05 TDB
period 799.0876044790701
2.19
8.0666e-06
2.209e-08
d
yr
n .4505138084762135 4.5478e-09 deg/d
Q 2.146783766888636 1.4447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7579 days (20.75 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-30 06:05:50  

Additional Information
 Earth MOID = .414045 au 
 Jupiter MOID = 3.4078 au 
 T_jup = 3.982 
[ 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 17.9   n/a MPO475564  
diameter diameter 0.629 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.339   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

185716 (1998 SF35)          Discovered 1998-Sep-24 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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