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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 458 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3374218836940559 3.4532e-08  
a 1.646130636732463 2.9015e-09 au
q 1.090690136479699 5.6614e-08 au
i 24.83643548619704 4.8532e-06 deg
node 186.5853519415257 6.186e-06 deg
peri 29.75935765475067 9.2992e-06 deg
M 60.06282393183083 1.0592e-05 deg
tp 2459267.794199504597
(2021-Feb-22.29419950)
2.2413e-05 TDB
period 771.4270682799146
2.11
2.0396e-06
5.584e-09
d
yr
n .4666675759805889 1.2338e-09 deg/d
Q 2.201571136985226 3.8806e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2399  
   data-arc span      8400 days (23.00 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-09-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-18 06:24:38  

Additional Information
 Earth MOID = .124087 au 
 Jupiter MOID = 2.80015 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 15.85   n/a MPO614063  
diameter diameter 2.230 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 3.573 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 23-34.]
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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