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26997 (1997 YJ5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2026997
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07411568314703124 5.2036e-08  
a 3.341307433200168 2.8719e-08 au
q 3.093664150184285 1.7375e-07 au
i 13.85017427360891 6.1364e-06 deg
node 303.352851056994 2.1997e-05 deg
peri 61.93961076356737 4.4555e-05 deg
M 334.9023239264477 4.1629e-05 deg
tp 2459156.026389858222
(2020-Nov-02.52638986)
0.0002587 TDB
period 2230.863932775074
6.11
2.8762e-05
7.875e-08
d
yr
n .1613724596605851 2.0806e-09 deg/d
Q 3.588950716216052 3.0848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      15426 days (42.23 yr)  
   first obs. used      1977-08-14  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:43:13  

Additional Information
 Earth MOID = 2.11788 au 
 Jupiter MOID = 1.84076 au 
 T_jup = 3.109 
[ 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 12.4   n/a MPO449160  
diameter diameter 15.329 km 0.353 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26997 (1997 YJ5)          Discovered 1997-Dec-25 by Kobayashi, T. at Oizumi
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YJ5 = 1977 PK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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