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JPL Small-Body Database Browser
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26284 (1998 SZ59)
Classification: Main-belt Asteroid          SPK-ID: 2026284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08128720226999242 4.0564e-08  
a 2.410285150130515 1.078e-08 au
q 2.214359813603497 1.0004e-07 au
i 7.197071617889172 4.7941e-06 deg
node 153.5402513476178 3.4397e-05 deg
peri 105.5540187384592 4.8463e-05 deg
M 281.4635668608296 3.7263e-05 deg
tp 2458898.673976294622
(2020-Feb-19.17397629)
0.00014225 TDB
period 1366.787708270979
3.74
9.1695e-06
2.51e-08
d
yr
n .2633913063612556 1.767e-09 deg/d
Q 2.606210486657533 1.1656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:20  

Additional Information
 Earth MOID = 1.21178 au 
 Jupiter MOID = 2.44743 au 
 T_jup = 3.505 
[ 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 14.8   n/a MPO337481  
rotation period rot_per 7.501 h n/a LCDB (Rev. 2019-January); 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.]

26284 (1998 SZ59)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SZ59 = 1993 FX6 = 1994 PO15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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