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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .099229354389507 4.3095e-08  
a 2.647231079736652 1.8383e-08 au
q 2.384548048774547 1.0785e-07 au
i 14.50490270244353 4.4405e-06 deg
node 116.8537464851879 1.7817e-05 deg
peri 252.1499647352744 3.5104e-05 deg
M 78.49908913321541 2.6508e-05 deg
tp 2458657.457188529843
(2019-Jun-22.95718853)
0.00011675 TDB
period 1573.208217991944
4.31
1.6387e-05
4.487e-08
d
yr
n .2288317565868725 2.3836e-09 deg/d
Q 2.909914110698758 2.0207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6773 days (18.54 yr)  
   first obs. used      2001-07-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:04  

Additional Information
 Earth MOID = 1.42509 au 
 Jupiter MOID = 2.54881 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 15.7   n/a MPO503086  

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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