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78185 (2002 NE38)
Classification: Main-belt Asteroid          SPK-ID: 2078185
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09705059368702171 5.8186e-08  
a 3.008501926340436 2.3274e-08 au
q 2.716525028280548 1.7611e-07 au
i 10.63407627184933 7.5193e-06 deg
node 177.5997588775362 2.4951e-05 deg
peri 157.244378565411 3.9498e-05 deg
M 136.6632987042075 3.002e-05 deg
tp 2458276.942138969054
(2018-Jun-07.44213897)
0.00015873 TDB
period 1906.004263331315
5.22
2.2117e-05
6.055e-08
d
yr
n .1888768073219269 2.1917e-09 deg/d
Q 3.300478824400324 2.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      8201 days (22.45 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:50  

Additional Information
 Earth MOID = 1.71102 au 
 Jupiter MOID = 2.13213 au 
 T_jup = 3.217 
[ 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 14.7   n/a MPO351394  
diameter diameter 4.274 km 0.916 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78185 (2002 NE38)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NE38 = 1997 RM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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