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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09210376722105 4.1873e-08  
a 2.748438876062512 1.6449e-08 au
q 2.495297301600366 1.1642e-07 au
i 5.197645131395882 3.9119e-06 deg
node 231.9837298559586 5.1025e-05 deg
peri 107.3388822785773 5.5288e-05 deg
M 242.3517971031495 2.36e-05 deg
tp 2459744.389091001151
(2022-Jun-13.88909100)
0.00011054 TDB
period 1664.284433924455
4.56
1.4941e-05
4.091e-08
d
yr
n .216309179285601 1.9419e-09 deg/d
Q 3.001580450524658 1.7965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      9924 days (27.17 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:58:41  

Additional Information
 Earth MOID = 1.49102 au 
 Jupiter MOID = 2.3253 au 
 T_jup = 3.335 
[ show covariance matrix ]

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 14.93   n/a E2021B10  

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

[ show close-approach data ]
Alternate Designations
 1993 FD30 = 1999 RR147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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