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JPL Small-Body Database Browser
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243677 (1999 WW15)
Classification: Main-belt Asteroid          SPK-ID: 2243677
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491790502803816 6.9843e-08  
a 2.530197878600571 1.6834e-08 au
q 2.152745362049502 1.772e-07 au
i 3.672717928293074 7.6654e-06 deg
node 220.0531915274105 7.1232e-05 deg
peri 53.06583094750495 7.4699e-05 deg
M 60.76983603000645 2.0006e-05 deg
tp 2458352.349176055208
(2018-Aug-21.84917606)
8.1289e-05 TDB
period 1470.043404033774
4.02
1.4671e-05
4.017e-08
d
yr
n .2448907284044581 2.444e-09 deg/d
Q 2.907650395151641 1.9345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7347 days (20.11 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:27:22  

Additional Information
 Earth MOID = 1.13849 au 
 Jupiter MOID = 2.19276 au 
 T_jup = 3.433 
[ 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 16.7   n/a MPO454789  

243677 (1999 WW15)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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