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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07530226316531205 5.5382e-08  
a 3.348025302043201 3.2397e-08 au
q 3.09591141966462 1.8484e-07 au
i 13.83111690071728 6.2315e-06 deg
node 303.3784615812349 2.3073e-05 deg
peri 60.69571259381626 4.4162e-05 deg
M 271.7072066015428 4.0494e-05 deg
tp 2459149.287588166953
(2020-Oct-26.78758817)
0.00025487 TDB
period 2237.595211746413
6.13
3.2478e-05
8.892e-08
d
yr
n .1608870085662298 2.3352e-09 deg/d
Q 3.600139184421781 3.4836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      15240 days (41.72 yr)  
   first obs. used      1977-08-14  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:26:32  

Additional Information
 Earth MOID = 2.11805 au 
 Jupiter MOID = 1.82482 au 
 T_jup = 3.108 
[ 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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