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JPL Small-Body Database Browser
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59031 (1998 SM124)
Classification: Main-belt Asteroid          SPK-ID: 2059031
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120398550366409 3.4845e-08  
a 2.176585588117717 7.6502e-09 au
q 1.914527838559926 7.7915e-08 au
i 1.337550828549436 3.8833e-06 deg
node 57.88146520292044 0.00018743 deg
peri 5.984313595504435 0.00018861 deg
M 230.3397983316646 2.2037e-05 deg
tp 2459422.941175772355
(2021-Jul-27.44117577)
7.2809e-05 TDB
period 1172.902874754569
3.21
6.1837e-06
1.693e-08
d
yr
n .3069307849342006 1.6182e-09 deg/d
Q 2.438643337675507 8.5713e-09 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:37:15  

Additional Information
 Earth MOID = .927776 au 
 Jupiter MOID = 2.81657 au 
 T_jup = 3.674 
[ 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 16.2   n/a MPO432144  

59031 (1998 SM124)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ 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
2045-Dec-10 12:47 00:03 Thisb 0.0151524258824667 0.0151490251005845 0.0151558268287632 3.13705373552628 3.13705359208616 2468325.032555611 2.68298101298265 187.123694839204 23.9568638691551 -25.3389523069255 41906.0761489362 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 03:37:19 2019-Jul-13 03:37

Alternate Designations
 1998 SM124 = 2000 GK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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