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215255 (2001 NJ)
Classification: Main-belt Asteroid          SPK-ID: 2215255
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404662101005116 7.7118e-08  
a 2.647170046675921 1.7363e-08 au
q 2.010615098060168 2.0667e-07 au
i 31.36780188390359 7.3197e-06 deg
node 248.8355091189132 1.4117e-05 deg
peri 48.21453699321661 1.8868e-05 deg
M 67.0041837880388 1.2633e-05 deg
tp 2458307.700313518635
(2018-Jul-08.20031352)
5.4641e-05 TDB
period 1573.153811808813
4.31
1.5478e-05
4.238e-08
d
yr
n .228839670538046 2.2515e-09 deg/d
Q 3.283724995291675 2.1538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6387 days (17.49 yr)  
   first obs. used      2001-07-11  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:38:09  

Additional Information
 Earth MOID = 1.07302 au 
 Jupiter MOID = 2.0359 au 
 T_jup = 3.148 
[ 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 14.6   n/a MPO367416  
diameter diameter 3.398 km 0.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.242   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

215255 (2001 NJ)          Discovered 2001-Jul-11 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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