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21141 (1993 FD30)
Classification: Main-belt Asteroid          SPK-ID: 2021141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09223480311154976 3.5659e-08  
a 2.748359257884132 1.4788e-08 au
q 2.494864882853384 1.0322e-07 au
i 5.197808038266586 3.8359e-06 deg
node 231.9831509524793 4.1482e-05 deg
peri 107.3494715533439 4.6703e-05 deg
M 284.7536210089677 2.2953e-05 deg
tp 2459744.349821260569
(2022-Jun-13.84982126)
0.00010673 TDB
period 1664.212116688416
4.56
1.3432e-05
3.677e-08
d
yr
n .2163185788578184 1.7459e-09 deg/d
Q 3.001853632914881 1.6152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      10338 days (28.30 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:57:54  

Additional Information
 Earth MOID = 1.49165 au 
 Jupiter MOID = 2.3243 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457624.5 (2016-Aug-24.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09094567161149399 3.5664e-08  
q 2.499274558743228 1.0307e-07 au
tp 2458078.973468816360
(2017-Nov-21.47346882)
0.00010582 TDB
node 232.0025231375157 4.1482e-05 deg
peri 107.2212845860958 4.6838e-05 deg
i 5.196783763499047 3.8354e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      10338 days (28.30 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:57:54  

Additional Information
 Jupiter MOID = 2.3243 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.271949350676715E-15 -3.647582447029625E-15 -2.154333359704943E-13 2.491152196982798E-15 -2.161420490504096E-14 2.758026374224997E-16
q -3.647582447029625E-15 1.06227333339246E-14 7.493643489375581E-13 -6.809522233581929E-15 7.828927969521202E-14 -4.707681782872154E-16
tp -2.154333359704943E-13 7.493643489375581E-13 1.119863871498274E-8 1.191589235789472E-11 2.316977721333338E-9 -4.846055201003334E-13
node 2.491152196982798E-15 -6.809522233581929E-15 1.191589235789472E-11 1.720779001848196E-9 -1.710767217007261E-9 -5.870687336871076E-12
peri -2.161420490504096E-14 7.828927969521202E-14 2.316977721333338E-9 -1.710767217007261E-9 2.193796117827095E-9 5.741254628167703E-12
i 2.758026374224997E-16 -4.707681782872154E-16 -4.846055201003334E-13 -5.870687336871076E-12 5.741254628167703E-12 1.471060739628837E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.95   n/a MPO636381  

21141 (1993 FD30)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FD30 = 1999 RR147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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