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30892 (1993 FR18)
Classification: Main-belt Asteroid          SPK-ID: 2030892
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 .1492822357925855 5.6198e-08  
a 3.120944499820622 2.2945e-08 au
q 2.655042927102827 1.7741e-07 au
i 10.14331575661627 6.8553e-06 deg
node 39.92155540930865 2.7408e-05 deg
peri 289.484962531384 3.3861e-05 deg
M 238.4216397420059 2.1367e-05 deg
tp 2459880.613313201034
(2022-Oct-28.11331320)
0.0001211 TDB
period 2013.851743293874
5.51
2.2208e-05
6.08e-08
d
yr
n .1787619179012556 1.9713e-09 deg/d
Q 3.586846072538417 2.637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      10233 days (28.02 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:32:07  

Additional Information
 Earth MOID = 1.66488 au 
 Jupiter MOID = 1.90194 au 
 T_jup = 3.175 
[ 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 14.06   n/a MPCxxxxx  
diameter diameter 4.988 km 0.673 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30892 (1993 FR18)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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