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JPL Small-Body Database Browser
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27062 (1998 SJ58)
Classification: Main-belt Asteroid          SPK-ID: 2027062
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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218973475526798 3.2051e-08  
a 2.402572631093635 7.9262e-09 au
q 2.109705400060658 7.6304e-08 au
i 1.625590002318231 4.2022e-06 deg
node 19.96343217441732 0.0001141 deg
peri 124.7003136051032 0.00011557 deg
M 165.2986447883857 1.7701e-05 deg
tp 2458375.931599999162
6.6135e-05 TDB
period 1360.232712664683
n .2646605956820164 1.3097e-09 deg/d
Q 2.695439862126613 8.8923e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1663  
   data-arc span      10010 days (27.41 yr)  
   first obs. used      1991-12-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4853  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:26:43  

Additional Information
 Earth MOID = 1.12234 au 
 Jupiter MOID = 2.30767 au 
 T_jup = 3.514 
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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 14.5   n/a MPO384979  
rotation period rot_per 59.527 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27062 (1998 SJ58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
1997-Oct-05 11:18 < 00:01 Eunom 0.037448159021353 0.0374473812681422 0.0374489367834804 5.93243419430023 5.93243413111283 2450726.970742351 0.257833653777821 87.9283176358992 36.0921322000835 -79.8397032528222 153122.094412978 T 27 CATAB v2.0e-lin.ifort 2019-May-30 03:26:53 2019-May-30 03:26

Alternate Designations
 1998 SJ58 = 2000 CZ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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