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JPL Small-Body Database Browser
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85709 (1998 SG36)
Classification: Amor [NEO]          SPK-ID: 2085709
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 371 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .337478063303806 3.7808e-08  
a 1.646007095426727 4.5979e-09 au
q 1.090515808677792 6.2884e-08 au
i 24.83582623048176 5.6191e-06 deg
node 186.5935668767162 6.7905e-06 deg
peri 29.74609232516539 1.0703e-05 deg
M 235.2599638591914 1.5073e-05 deg
tp 2459267.769466114935
(2021-Feb-22.26946611)
3.3331e-05 TDB
period 771.34022706844
2.11
3.2319e-06
8.848e-09
d
yr
n .4667201156721957 1.9556e-09 deg/d
Q 2.201498382175663 6.1495e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1996  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-26 05:04:06  

Additional Information
 Earth MOID = .123148 au 
 Jupiter MOID = 2.80235 au 
 T_jup = 4.122 
[ 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 15.9   n/a MPO359341  
diameter diameter 2.230 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.141   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

85709 (1998 SG36)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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