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JPL Small-Body Database Browser
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487629 (2015 NW18)
Classification: Main-belt Asteroid          SPK-ID: 2487629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339538228057892 9.0682e-08  
a 2.362969996303875 2.7293e-08 au
q 2.046441132123589 2.049e-07 au
i 7.707423437361314 7.2977e-06 deg
node 106.5932489121291 5.4405e-05 deg
peri 228.2661563159475 6.2642e-05 deg
M 110.5412160004623 2.5396e-05 deg
tp 2458593.112710705878
(2019-Apr-19.61271071)
9.3398e-05 TDB
period 1326.739739729934
3.63
2.2987e-05
6.293e-08
d
yr
n .2713418383572954 4.7012e-09 deg/d
Q 2.679498860484161 3.0949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5066 days (13.87 yr)  
   first obs. used      2005-12-25  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:44:30  

Additional Information
 Earth MOID = 1.04481 au 
 Jupiter MOID = 2.65771 au 
 T_jup = 3.526 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO349343  

487629 (2015 NW18)          Discovered 2005-Dec-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 NW18 = 2005 YC87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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