Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
27808 (1993 FT56)
Classification: Main-belt Asteroid          SPK-ID: 2027808
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176844981212283 3.6032e-08  
a 2.328622253271885 8.0182e-09 au
q 2.05457951208166 8.3519e-08 au
i 4.99595285250735 3.4257e-06 deg
node 125.5368639915057 4.9676e-05 deg
peri 115.9694727694527 5.2247e-05 deg
M 190.9818620348854 1.7125e-05 deg
tp 2459609.865418175318
(2022-Jan-30.36541818)
6.2588e-05 TDB
period 1297.917212816489
3.55
6.7037e-06
1.835e-08
d
yr
n .2773674595306411 1.4326e-09 deg/d
Q 2.602664994462111 8.9618e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      10574 days (28.95 yr)  
   first obs. used      1991-12-03  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:53:49  

Additional Information
 Earth MOID = 1.04754 au 
 Jupiter MOID = 2.41215 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457046.5 (2015-Jan-24.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174959558618428 3.5977e-08  
q 2.05480250918585 8.336e-08 au
tp 2457014.932238746046
(2014-Dec-23.43223875)
6.0353e-05 TDB
node 125.5745396240394 4.9689e-05 deg
peri 116.1393026265817 5.2284e-05 deg
i 4.995382562030564 3.4254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      10574 days (28.95 yr)  
   first obs. used      1991-12-03  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:53:49  

Additional Information
 Jupiter MOID = 2.41215 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.294312630897233E-15 -2.988225488261579E-15 -5.688648979577385E-13 -1.211581716126643E-14 -1.643522662443269E-13 -4.751098643917183E-16
q -2.988225488261579E-15 6.948824026291319E-15 1.354659383335253E-12 2.82310579133502E-14 3.886757057648554E-13 1.209190507585724E-15
tp -5.688648979577385E-13 1.354659383335253E-12 3.642446029693608E-9 1.602101757676193E-11 1.003781167152593E-9 1.634782539499484E-13
node -1.211581716126643E-14 2.82310579133502E-14 1.602101757676193E-11 2.469039325887954E-9 -2.454601283499141E-9 1.247519536477445E-11
peri -1.643522662443269E-13 3.886757057648554E-13 1.003781167152593E-9 -2.454601283499141E-9 2.733634427190139E-9 -1.24163083629897E-11
i -4.751098643917183E-16 1.209190507585724E-15 1.634782539499484E-13 1.247519536477445E-11 -1.24163083629897E-11 1.173340900975326E-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 30 CATAB v2.0f-lin.ifort 2020-Dec-17 20:53:52 2020-Dec-17 20:53

Alternate Designations
 1993 FT56 = 2000 CW92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-22 20:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin