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18988 (2000 RB24)
Classification: Main-belt Asteroid          SPK-ID: 2018988
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127619949445057 4.2301e-08  
a 2.696614963682493 1.3229e-08 au
q 2.392539280780449 1.2005e-07 au
i 12.28835209543726 3.9279e-06 deg
node 193.6949462608179 1.5147e-05 deg
peri 354.4092915608948 2.1957e-05 deg
M 337.957170317751 1.4684e-05 deg
tp 2459099.535678496445
(2020-Sep-07.03567850)
6.6027e-05 TDB
period 1617.435001434109
4.43
1.1902e-05
3.259e-08
d
yr
n .2225746318589642 1.6378e-09 deg/d
Q 3.000690646584537 1.4721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1926  
   data-arc span      10497 days (28.74 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:27:34  

Additional Information
 Earth MOID = 1.39336 au 
 Jupiter MOID = 1.95782 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457290.5 (2015-Sep-25.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140285053462884 4.222e-08  
q 2.389496104454515 1.201e-07 au
tp 2457482.354961219388
(2016-Apr-03.85496122)
6.5342e-05 TDB
node 193.7224370837598 1.5154e-05 deg
peri 354.503431011007 2.1831e-05 deg
i 12.285088698964 3.9275e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1926  
   data-arc span      10497 days (28.74 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:27:34  

Additional Information
 Jupiter MOID = 1.95782 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.782524141192665E-15 -5.051853498171917E-15 3.258557480290324E-13 -8.18426251883627E-15 1.464994101819123E-13 -2.122424509183533E-15
q -5.051853498171917E-15 1.442368865901106E-14 -9.569759527106302E-13 2.380931167503308E-14 -4.266982899229397E-13 6.125109695489333E-15
tp 3.258557480290324E-13 -9.569759527106302E-13 4.269569924106876E-9 -6.802977014086873E-13 1.030667088387451E-9 3.106054380772329E-12
node -8.18426251883627E-15 2.380931167503308E-14 -6.802977014086873E-13 2.296327262990102E-10 -2.245106370665539E-10 -2.960635315547888E-12
peri 1.464994101819123E-13 -4.266982899229397E-13 1.030667088387451E-9 -2.245106370665539E-10 4.766038522820708E-10 3.574787792763466E-12
i -2.122424509183533E-15 6.125109695489333E-15 3.106054380772329E-12 -2.960635315547888E-12 3.574787792763466E-12 1.542527124467635E-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 13.9   n/a MPO458997  

18988 (2000 RB24)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RB24 = 1991 ST4 = 1998 FU74 = 1999 NH59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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