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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125879675200028 4.1112e-08  
a 2.69609753970643 1.2913e-08 au
q 2.392549397475203 1.1638e-07 au
i 12.28937086395727 3.911e-06 deg
node 193.6937741653614 1.5073e-05 deg
peri 354.4231043932292 2.1918e-05 deg
M 22.46823293263721 1.4715e-05 deg
tp 2459099.582090893576
(2020-Sep-07.08209089)
6.6038e-05 TDB
period 1616.969495876083
4.43
1.1617e-05
3.181e-08
d
yr
n .2226387083480199 1.5995e-09 deg/d
Q 2.999645681937657 1.4367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1935  
   data-arc span      10746 days (29.42 yr)  
   first obs. used      1991-09-17  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:44  

Additional Information
 Earth MOID = 1.39275 au 
 Jupiter MOID = 1.95776 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140563046748121 4.1017e-08  
q 2.389637044628193 1.1644e-07 au
tp 2457482.184277958431
(2016-Apr-03.68427796)
6.5321e-05 TDB
node 193.7187278880629 1.508e-05 deg
peri 354.4584533592889 2.1774e-05 deg
i 12.28567610771391 3.9104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1935  
   data-arc span      10746 days (29.42 yr)  
   first obs. used      1991-09-17  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:44  

Additional Information
 Jupiter MOID = 1.95776 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.682358452996618E-15 -4.757240997155618E-15 3.330427676080304E-13 -7.705643377111462E-15 1.418269959851012E-13 -1.983651459941711E-15
q -4.757240997155618E-15 1.355712422655778E-14 -9.773957745367284E-13 2.224374678152374E-14 -4.126720635534218E-13 5.717430249212383E-15
tp 3.330427676080304E-13 -9.773957745367284E-13 4.266808214842523E-9 -8.649960269233607E-13 1.030443092420244E-9 3.172305945655744E-12
node -7.705643377111462E-15 2.224374678152374E-14 -8.649960269233607E-13 2.273913940030348E-10 -2.22326927733923E-10 -2.423008958836268E-12
peri 1.418269959851012E-13 -4.126720635534218E-13 1.030443092420244E-9 -2.22326927733923E-10 4.740926971040231E-10 3.073227507726466E-12
i -1.983651459941711E-15 5.717430249212383E-15 3.172305945655744E-12 -2.423008958836268E-12 3.073227507726466E-12 1.529091333791335E-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 13.92   n/a E2021B10  

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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