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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439076452739306 4.4411e-08  
a 2.739607927168424 1.473e-08 au
q 2.345357401395822 1.2533e-07 au
i 5.842198079877089 5.1202e-06 deg
node 339.280585722489 3.4313e-05 deg
peri 23.1258977230488 3.6796e-05 deg
M 180.3439274212735 1.5154e-05 deg
tp 2459827.052509562792
(2022-Sep-04.55250956)		 7.316e-05 TDB
period 1656.269666655508
4.53		 1.3358e-05
3.657e-08		 d
yr
n .2173559096369524 1.753e-09 deg/d
Q 3.133858452941025 1.685e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      23937 days (65.54 yr)  
   first obs. used      1954-10-06  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:09:39  

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

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