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78191 (2002 NE41)
Classification: Main-belt Asteroid          SPK-ID: 2078191
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148301888868162 6.2068e-08  
a 2.440698589642743 1.302e-08 au
q 2.078738378640865 1.4676e-07 au
i 7.173641641229962 4.2599e-06 deg
node 94.63899577134082 4.1111e-05 deg
peri 275.9402485279564 4.3763e-05 deg
M 193.1001392957996 1.8005e-05 deg
tp 2459646.188610182077
(2022-Mar-07.68861018)
7.2949e-05 TDB
period 1392.73872779031
3.81
1.1144e-05
3.051e-08
d
yr
n .2584835136818293 2.0683e-09 deg/d
Q 2.80265880064462 1.495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:31:34  

Additional Information
 Earth MOID = 1.09336 au 
 Jupiter MOID = 2.68973 au 
 T_jup = 3.476 
[ 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 MPO468736  
diameter diameter 1.767 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78191 (2002 NE41)          Discovered 2002-Jul-13 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NE41 = 1995 YZ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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