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JPL Small-Body Database Browser
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523972 (1999 CW8)
Classification: Apollo [NEO]          SPK-ID: 2523972
[ 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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5994795351739236 5.6367e-08  
a 2.235531789636237 7.0998e-09 au
q .8953762315185759 1.2376e-07 au
i 33.6454072807409 2.4591e-05 deg
node 317.0020490361968 1.1247e-05 deg
peri 262.1138054326996 2.8453e-05 deg
M 353.6727119210103 1.5879e-05 deg
tp 2458621.957781035803
(2019-May-18.45778104)		 5.394e-05 TDB
period 1220.870786417948
3.34		 5.8161e-06
1.592e-08		 d
yr
n .2948714999203519 1.4047e-09 deg/d
Q 3.575687347753898 1.1356e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-02 06:00:04  

Additional Information
 Earth MOID = .231602 au 
 Jupiter MOID = 2.6815 au 
 T_jup = 3.201 
[ 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 18.6   n/a MPO160722  
SMASSII spectral type spec_B B   n/a Binzel et al. (2004) Icarus 170, 259-294  

523972 (1999 CW8)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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