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18408 (1993 FP30)
Classification: Main-belt Asteroid          SPK-ID: 2018408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07696950796533356 2.9999e-08  
a 3.058996613796969 1.5122e-08 au
q 2.823547149565395 9.8015e-08 au
i 7.306322134225774 4.2596e-06 deg
node 224.368878099276 2.4898e-05 deg
peri 74.08020205099785 3.7643e-05 deg
M 359.3405634728168 2.795e-05 deg
tp 2459400.079624073847
(2021-Jul-04.57962407)
0.00015172 TDB
period 1954.190605863743
5.35
1.4491e-05
3.967e-08
d
yr
n .1842194916502946 1.366e-09 deg/d
Q 3.294446078028543 1.6286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1608  
   data-arc span      10321 days (28.26 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:37:05  

Additional Information
 Earth MOID = 1.81891 au 
 Jupiter MOID = 1.85782 au 
 T_jup = 3.218 
[ 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 13.73   n/a E2021B10  

18408 (1993 FP30)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FP30 = 1999 JO61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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