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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456729.5 (2014-Mar-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206039903477669 3.4798e-08  
q 1.913447372300691 7.7787e-08 au
tp 2457078.411612252918
(2015-Feb-24.91161225)
6.7738e-05 TDB
node 57.9014406646465 0.00018723 deg
peri 6.010703105795942 0.0001884 deg
i 1.338527971377127 3.8855e-06 deg
  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
 Jupiter MOID = 2.81657 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.210899556836931E-15 -2.697457973988195E-15 -1.320377610460835E-12 1.321677576014183E-14 -4.079393522138533E-13 -4.519039860260572E-16
q -2.697457973988195E-15 6.050808294479938E-15 3.014452715529563E-12 -3.012936512536939E-14 9.270911184232973E-13 1.033626701415263E-15
tp -1.320377610460835E-12 3.014452715529563E-12 4.588410842137434E-9 -2.47921923601806E-11 1.44045416931204E-9 1.035840735993762E-12
node 1.321677576014183E-14 -3.012936512536939E-14 -2.47921923601806E-11 3.505348559455619E-8 -3.505120530157737E-8 -3.606788679763811E-10
peri -4.079393522138533E-13 9.270911184232973E-13 1.44045416931204E-9 -3.505120530157737E-8 3.549339909684582E-8 3.60906529897047E-10
i -4.519039860260572E-16 1.033626701415263E-15 1.035840735993762E-12 -3.606788679763811E-10 3.60906529897047E-10 1.509677959550114E-11

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

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