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15312 (1993 FH27)
Classification: Main-belt Asteroid          SPK-ID: 2015312
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441151758237114 4.4419e-08  
a 2.739134672307145 1.4693e-08 au
q 2.344383797402777 1.2533e-07 au
i 5.8424988569255 5.1193e-06 deg
node 339.2827054694258 3.4275e-05 deg
peri 23.12802658312755 3.6749e-05 deg
M 223.8233442755601 1.5303e-05 deg
tp 2459826.852288396403
(2022-Sep-04.35228840)
7.3041e-05 TDB
period 1655.840515565229
4.53
1.3324e-05
3.648e-08
d
yr
n .2174122426742967 1.7494e-09 deg/d
Q 3.133885547211514 1.6811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      23966 days (65.62 yr)  
   first obs. used      1954-10-06  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:34:27  

Additional Information
 Earth MOID = 1.34106 au 
 Jupiter MOID = 2.32387 au 
 T_jup = 3.328 
[ 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 14.37   n/a E2021B10  
diameter diameter 8.841 km 0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 149.383 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15312 (1993 FH27)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FH27 = 1995 WR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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