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30905 (1993 FC42)
Classification: Main-belt Asteroid          SPK-ID: 2030905
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .058121589291683 3.5742e-08  
a 3.034850985680247 1.847e-08 au
q 2.85846062312908 1.1328e-07 au
i 9.68186823480316 4.9025e-06 deg
node 10.36198591708699 2.3477e-05 deg
peri 263.9221955354607 5.1376e-05 deg
M 9.663157118951643 4.5042e-05 deg
tp 2459148.665248051771
(2020-Oct-26.16524805)
0.00024175 TDB
period 1931.098757026825
5.29
1.7628e-05
4.826e-08
d
yr
n .1864223663808196 1.7018e-09 deg/d
Q 3.211241348231414 1.9543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      10034 days (27.47 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:42:06  

Additional Information
 Earth MOID = 1.86242 au 
 Jupiter MOID = 1.88553 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 13.26   n/a E2021B10  
diameter diameter 7.922 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30905 (1993 FC42)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FC42 = 1998 FQ85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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