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78156 (2002 NJ27)
Classification: Main-belt Asteroid          SPK-ID: 2078156
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469408534407345 5.3209e-08  
a 2.79010232249867 1.8481e-08 au
q 2.380122306043739 1.4761e-07 au
i 16.2242218090155 7.8548e-06 deg
node 327.8725058328941 1.7466e-05 deg
peri 52.9022260136453 3.4647e-05 deg
M 263.9716464902518 2.7107e-05 deg
tp 2459454.572922481284
(2021-Aug-28.07292248)
0.00012937 TDB
period 1702.270695255316
4.66
1.6913e-05
4.631e-08
d
yr
n .2114822284160893 2.1012e-09 deg/d
Q 3.2000823389536 2.1197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      8824 days (24.16 yr)  
   first obs. used      1995-03-07  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:19:23  

Additional Information
 Earth MOID = 1.41434 au 
 Jupiter MOID = 2.36535 au 
 T_jup = 3.256 
[ 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 MPO436329  
diameter diameter 4.584 km 0.801 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78156 (2002 NJ27)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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