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JPL Small-Body Database Browser
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108641 (2001 NU9)
Classification: Main-belt Asteroid          SPK-ID: 2108641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295952984919725 4.6296e-08  
a 2.813386636041407 2.2673e-08 au
q 2.448784955170294 1.3322e-07 au
i 7.646914351769237 5.4254e-06 deg
node 290.4873296528576 4.496e-05 deg
peri 303.0251856846819 5.2428e-05 deg
M 58.81369544450875 2.4086e-05 deg
tp 2458718.909159132043
(2019-Aug-23.40915913)
0.00011578 TDB
period 1723.62409718176
4.72
2.0836e-05
5.705e-08
d
yr
n .2088622458856452 2.5248e-09 deg/d
Q 3.177988316912519 2.5611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7000 days (19.16 yr)  
   first obs. used      2000-03-09  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:43  

Additional Information
 Earth MOID = 1.44736 au 
 Jupiter MOID = 1.90018 au 
 T_jup = 3.295 
[ 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 15.4   n/a MPO291136  

108641 (2001 NU9)          Discovered 2001-Jul-15 by Sarounova, L. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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