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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143907648015426 4.4521e-08  
a 2.739607923308687 1.5261e-08 au
q 2.345357390580908 1.259e-07 au
i 5.842198251562992 5.1443e-06 deg
node 339.2805846746479 3.6919e-05 deg
peri 23.1259029681643 3.9444e-05 deg
M 180.343925071374 1.533e-05 deg
tp 2459827.052518627339
(2022-Sep-04.55251863)
7.3692e-05 TDB
period 1656.269663155318
4.53
1.3839e-05
3.789e-08
d
yr
n .21735591009629 1.8161e-09 deg/d
Q 3.133858456036466 1.7457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      23861 days (65.33 yr)  
   first obs. used      1954-10-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:15:40  

Additional Information
 Earth MOID = 1.34366 au 
 Jupiter MOID = 2.3231 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456801.5 (2014-May-24.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407946716018326 4.4209e-08  
q 2.355425988349211 1.2453e-07 au
tp 2456508.834404141942
(2013-Aug-04.33440414)
6.6783e-05 TDB
node 339.3481277703377 3.6949e-05 deg
peri 22.44726631121635 3.962e-05 deg
i 5.839705389330871 5.1379e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      23861 days (65.33 yr)  
   first obs. used      1954-10-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:15:40  

Additional Information
 Jupiter MOID = 2.3231 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.954439849548166E-15 -5.476567857401494E-15 -4.49804190108097E-13 1.114214735023915E-14 -1.357859841394611E-13 -9.351764102875544E-16
q -5.476567857401494E-15 1.550650105926628E-14 1.352437989101156E-12 -3.101070175934771E-14 4.038101595447303E-13 2.713091497994258E-15
tp -4.49804190108097E-13 1.352437989101156E-12 4.459998470292072E-9 -4.631221700836984E-12 9.652633609910975E-10 -6.986671803145058E-13
node 1.114214735023915E-14 -3.101070175934771E-14 -4.631221700836984E-12 1.365207305033889E-9 -1.358964863178925E-9 5.981864932955833E-12
peri -1.357859841394611E-13 4.038101595447303E-13 9.652633609910975E-10 -1.358964863178925E-9 1.569735198446453E-9 -6.093053507567242E-12
i -9.351764102875544E-16 2.713091497994258E-15 -6.986671803145058E-13 5.981864932955833E-12 -6.093053507567242E-12 2.639785570283103E-11

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 14.4   n/a MPO467858  
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. 2019-August); 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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