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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338065629019042 9.6954e-08  
a 2.362410981975681 2.8821e-08 au
q 2.046304888315802 2.2335e-07 au
i 7.707288673044265 8.6767e-06 deg
node 106.5947360193318 5.9833e-05 deg
peri 228.1741279641117 6.7211e-05 deg
M 2.080557186572115 2.5457e-05 deg
tp 2458592.835059944665
(2019-Apr-19.33505994)
9.3783e-05 TDB
period 1326.26896185768
3.63
2.4271e-05
6.645e-08
d
yr
n .271438154969528 4.9673e-09 deg/d
Q 2.678517075635559 3.2678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5047 days (13.82 yr)  
   first obs. used      2005-12-25  
   last obs. used      2019-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:47:26  

Additional Information
 Earth MOID = 1.04374 au 
 Jupiter MOID = 2.65576 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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