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JPL Small-Body Database Browser
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215258 (2001 NP9)
Classification: Main-belt Asteroid          SPK-ID: 2215258
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09893877042216689 4.5024e-08  
a 2.646432221878583 2.001e-08 au
q 2.384597471840313 1.1556e-07 au
i 14.50448655495238 5.715e-06 deg
node 116.8575607648415 1.9121e-05 deg
peri 252.0876791724042 3.6757e-05 deg
M 347.0143411797348 2.8925e-05 deg
tp 2458657.221940225223
(2019-Jun-22.72194022)
0.0001263 TDB
period 1572.496148536822
4.31
1.7834e-05
4.883e-08
d
yr
n .228935377892641 2.5965e-09 deg/d
Q 2.908266971916853 2.1989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2001-07-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:57:52  

Additional Information
 Earth MOID = 1.4242 au 
 Jupiter MOID = 2.54682 au 
 T_jup = 3.340 
[ 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 15.8   n/a MPO454546  

215258 (2001 NP9)          Discovered 2001-Jul-14 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2001 NP9 = 2006 WU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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