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27808 (1993 FT56)
Classification: Main-belt Asteroid          SPK-ID: 2027808
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175229979466432 3.2387e-08  
a 2.328896200401318 7.6192e-09 au
q 2.055197337023609 7.6059e-08 au
i 4.996039948724357 3.417e-06 deg
node 125.5358071180643 4.4451e-05 deg
peri 115.9741093621268 4.7154e-05 deg
M 246.435037768627 1.706e-05 deg
tp 2459610.010918375171
(2022-Jan-30.51091838)		 6.2191e-05 TDB
period 1298.146256718737
3.55		 6.3705e-06
1.744e-08		 d
yr
n .2773185210347215 1.3609e-09 deg/d
Q 2.602595063779027 8.5146e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      10642 days (29.14 yr)  
   first obs. used      1991-12-03  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:26:52  

Additional Information
 Earth MOID = 1.04668 au 
 Jupiter MOID = 2.41107 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457227.5 (2015-Jul-24.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176169362106366 3.2347e-08  
q 2.054823234943135 7.5952e-08 au
tp 2457015.007704433342
(2014-Dec-23.50770443)		 5.9038e-05 TDB
node 125.5745230254861 4.4466e-05 deg
peri 116.163584134179 4.7176e-05 deg
i 4.995319764330994 3.4166e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      10642 days (29.14 yr)  
   first obs. used      1991-12-03  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:26:52  

Additional Information
 Jupiter MOID = 2.41107 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.046299574950053E-15 -2.447172077056005E-15 -3.747057189632592E-13 -7.447621958947637E-15 -9.937958094933492E-14 -4.88347569614296E-16
q -2.447172077056005E-15 5.768661219984447E-15 9.313437067288637E-13 1.773972427669419E-14 2.472603061217047E-13 1.234388169394213E-15
tp -3.747057189632592E-13 9.313437067288637E-13 3.48545267277995E-9 1.656203886610248E-11 9.471826532655019E-10 2.266018365233455E-13
node -7.447621958947637E-15 1.773972427669419E-14 1.656203886610248E-11 1.977239358545148E-9 -1.964709668361881E-9 7.317996943255152E-12
peri -9.937958094933492E-14 2.472603061217047E-13 9.471826532655019E-10 -1.964709668361881E-9 2.225616520802154E-9 -7.259099357234689E-12
i -4.88347569614296E-16 1.234388169394213E-15 2.266018365233455E-13 7.317996943255152E-12 -7.259099357234689E-12 1.167287721187305E-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 15.0   n/a MPO347730  
diameter diameter 2.716 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 59.337 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.316   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27808 (1993 FT56)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2102-Aug-30 18:51 < 00:01 Eunom 0.0191050824268908 0.019104372309911 0.0191057932206894 7.60661630271833 7.60661620612359 2489041.285485272 0.359188756233079 581.986582423217 33.6889720972603 -88.9226315991853 84794.4126997585 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:26:55 2021-Feb-24 03:26

Alternate Designations
 1993 FT56 = 2000 CW92 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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