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30893 (1993 FD19)
Classification: Main-belt Asteroid          SPK-ID: 2030893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08629677786897343 3.7839e-08  
a 2.242796206833376 6.298e-09 au
q 2.0492501207669 8.3626e-08 au
i 6.650719286900961 3.1169e-06 deg
node 137.7179855685945 3.2935e-05 deg
peri 70.04175525891351 3.8175e-05 deg
M 77.66404079662711 1.7845e-05 deg
tp 2458935.832491995012
(2020-Mar-27.33249199)
6.1145e-05 TDB
period 1226.826494017984
3.36
5.1676e-06
1.415e-08
d
yr
n .2934400273839561 1.236e-09 deg/d
Q 2.436342292899851 6.8415e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      9997 days (27.37 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:52  

Additional Information
 Earth MOID = 1.05556 au 
 Jupiter MOID = 2.53599 au 
 T_jup = 3.619 
[ 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 15.17   n/a E2021B10  
diameter diameter 2.120 km 0.713 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 65.0028 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.431   0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30893 (1993 FD19)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FD19 = 1996 AM18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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