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85554 (1997 YF14)
Classification: Main-belt Asteroid          SPK-ID: 2085554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622154884500946 7.2485e-08  
a 2.539399034770656 1.1883e-08 au
q 2.127469179975635 1.8595e-07 au
i 5.117642369634947 6.9143e-06 deg
node 294.1539626236646 5.6346e-05 deg
peri 156.0608593479283 5.8611e-05 deg
M 118.49785743081 1.7324e-05 deg
tp 2458113.977590101128
(2017-Dec-26.47759010)
6.9135e-05 TDB
period 1478.069488858577
4.05
1.0375e-05
2.841e-08
d
yr
n .2435609439972989 1.7095e-09 deg/d
Q 2.951328889565677 1.381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1994-02-11  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:38  

Additional Information
 Earth MOID = 1.14527 au 
 Jupiter MOID = 2.24057 au 
 T_jup = 3.422 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO337903  
diameter diameter 2.141 km 0.464 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85554 (1997 YF14)          Discovered 1997-Dec-31 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 YF14 = 1994 CY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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