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20056 (1993 FU64)
Classification: Main-belt Asteroid          SPK-ID: 2020056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017604436433174 5.0132e-08  
a 2.701316804783622 1.559e-08 au
q 2.426429608307692 1.3933e-07 au
i 4.072830792044657 4.8236e-06 deg
node 260.2213722854503 6.9204e-05 deg
peri 106.7048241286984 7.2528e-05 deg
M 266.3882366481733 2.4262e-05 deg
tp 2459622.186436935381
(2022-Feb-11.68643694)
0.00011078 TDB
period 1621.667105299484
4.44
1.4038e-05
3.843e-08
d
yr
n .2219937734591443 1.9218e-09 deg/d
Q 2.976204001259553 1.7176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      9956 days (27.26 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:14  

Additional Information
 Earth MOID = 1.42746 au 
 Jupiter MOID = 2.48994 au 
 T_jup = 3.356 
[ 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 14.95   n/a E2021B10  
diameter diameter 7.037 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20056 (1993 FU64)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FU64 = 1999 RJ155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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