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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439076122076078 4.4655e-08  
a 2.739607920218275 1.5711e-08 au
q 2.345357486034612 1.2653e-07 au
i 5.842195166878279 5.145e-06 deg
node 339.2805544017572 3.8828e-05 deg
peri 23.12590737105388 4.1393e-05 deg
M 180.3439492067866 1.5472e-05 deg
tp 2459827.052406187775
(2022-Sep-04.55240619)
7.4119e-05 TDB
period 1656.269660352789
4.53
1.4248e-05
3.901e-08
d
yr
n .2173559104640722 1.8697e-09 deg/d
Q 3.133858354401937 1.7972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1285  
   data-arc span      23527 days (64.41 yr)  
   first obs. used      1954-10-06  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:31:29  

Additional Information
 Earth MOID = 1.34366 au 
 Jupiter MOID = 2.3231 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 14.4   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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