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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2405232892921398 7.394e-08  
a 2.647729531262303 1.6156e-08 au
q 2.010888915247159 1.9692e-07 au
i 31.36407195880799 7.2984e-06 deg
node 248.8345113770181 1.1349e-05 deg
peri 48.28086254221077 1.5978e-05 deg
M 158.4326472150939 1.2496e-05 deg
tp 2458307.950159000644
(2018-Jul-08.45015900)
5.2303e-05 TDB
period 1573.652571879867
4.31
1.4403e-05
3.943e-08
d
yr
n .2287671411294732 2.0938e-09 deg/d
Q 3.284570147277448 2.0042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      6771 days (18.54 yr)  
   first obs. used      2001-07-11  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:04  

Additional Information
 Earth MOID = 1.07391 au 
 Jupiter MOID = 2.03675 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 14.7   n/a MPO503086  
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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