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79686 (1998 SY58)
Classification: Main-belt Asteroid          SPK-ID: 2079686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641743339899806 3.5895e-08  
a 2.325132678145071 7.4391e-09 au
q 1.943405569272264 8.4695e-08 au
i 3.050378745079585 4.0254e-06 deg
node 27.13579768014971 7.0171e-05 deg
peri 314.5872668147014 7.106e-05 deg
M 58.80851130932974 1.1301e-05 deg
tp 2458788.952585562619
(2019-Nov-01.45258556)
4.0402e-05 TDB
period 1295.000800086144
3.55
6.2149e-06
1.702e-08
d
yr
n .2779921062412105 1.3341e-09 deg/d
Q 2.706859787017878 8.6604e-09 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:13:36  

Additional Information
 Earth MOID = .936777 au 
 Jupiter MOID = 2.68301 au 
 T_jup = 3.555 
[ 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 15.5   n/a MPO436338  

79686 (1998 SY58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2049-Oct-19 13:42 < 00:01 Hebe 0.0164446023780537 0.0164411262488579 0.0164480794287138 5.25821284848361 5.25821277658906 2469734.070676740 0.396015913934078 263.055928289731 34.0444184757239 49.3492586327258 55138.6303591459 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 04:13:38 2020-Dec-18 04:13

Alternate Designations
 1998 SY58 = 1997 GO33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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