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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09223480387267111 3.6078e-08  
a 2.74835925814607 1.4886e-08 au
q 2.494864880999327 1.0409e-07 au
i 5.197807677428227 3.8529e-06 deg
node 231.9831597020183 4.2374e-05 deg
peri 107.3494630543473 4.7473e-05 deg
M 284.7536206699118 2.3007e-05 deg
tp 2459744.349822877688
(2022-Jun-13.84982288)
0.000107 TDB
period 1664.212116926332
4.56
1.352e-05
3.702e-08
d
yr
n .2163185788268935 1.7574e-09 deg/d
Q 3.001853635292812 1.6259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      10312 days (28.23 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:05:58  

Additional Information
 Earth MOID = 1.49165 au 
 Jupiter MOID = 2.3243 au 
 T_jup = 3.335 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.94   n/a MPO614063  

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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