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26222 (1997 WC45)
Classification: Main-belt Asteroid          SPK-ID: 2026222
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163542351815676 5.4927e-08  
a 2.972966867365622 1.8784e-08 au
q 2.627049581293154 1.6562e-07 au
i 9.334820034164325 5.8804e-06 deg
node 233.4571820955459 3.0119e-05 deg
peri 110.4216883503508 3.772e-05 deg
M 130.1136043806894 2.1866e-05 deg
tp 2457923.788218407435
(2017-Jun-19.28821841)
0.00011414 TDB
period 1872.334891750021
5.13
1.7745e-05
4.858e-08
d
yr
n .1922732955446435 1.8222e-09 deg/d
Q 3.31888415343809 2.0969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      11889 days (32.55 yr)  
   first obs. used      1986-09-09  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:56:35  

Additional Information
 Earth MOID = 1.63773 au 
 Jupiter MOID = 2.13413 au 
 T_jup = 3.232 
[ 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 13.4   n/a MPO435945  
diameter diameter 7.132 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26222 (1997 WC45)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WC45 = 1986 RN12 = 1999 CA65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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