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JPL Small-Body Database Browser
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154738 (2004 NO18)
Classification: Main-belt Asteroid          SPK-ID: 2154738
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 .1375481952497477 6.6318e-08  
a 2.390171207390838 1.1561e-08 au
q 2.061407471476318 1.5934e-07 au
i 6.585097345143008 6.8533e-06 deg
node 156.5580775486554 3.1664e-05 deg
peri 188.5150945470517 3.5357e-05 deg
M 67.37164434661464 1.3343e-05 deg
tp 2458747.909746269103
(2019-Sep-21.40974627)
5.0539e-05 TDB
period 1349.714590240545
3.70
9.7926e-06
2.681e-08
d
yr
n .2667230558245954 1.9352e-09 deg/d
Q 2.718934943305359 1.3151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1993-07-22  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:30:01  

Additional Information
 Earth MOID = 1.05402 au 
 Jupiter MOID = 2.67682 au 
 T_jup = 3.511 
[ 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 16.0   n/a MPO291331  

154738 (2004 NO18)          Discovered 2004-Jul-14 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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