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JPL Small-Body Database Browser
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390640 (2002 NE48)
Classification: Main-belt Asteroid          SPK-ID: 2390640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2894574553233603 5.9864e-08  
a 2.626629880398351 1.0766e-08 au
q 1.866332279141942 1.5916e-07 au
i 6.20623271820308 7.0901e-06 deg
node 320.3878207708084 3.8502e-05 deg
peri 355.2781284147014 4.1638e-05 deg
M 333.8962402981101 9.7189e-06 deg
tp 2458713.245004869793
(2019-Aug-17.74500487)
4.1982e-05 TDB
period 1554.879535233645
4.26
9.5601e-06
2.617e-08
d
yr
n .2315291904243272 1.4235e-09 deg/d
Q 3.386927481654761 1.3883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6310 days (17.28 yr)  
   first obs. used      2002-07-14  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:58:56  

Additional Information
 Earth MOID = .851999 au 
 Jupiter MOID = 1.92655 au 
 T_jup = 3.333 
[ 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 17.4   n/a MPO494981  
diameter diameter 1.956 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390640 (2002 NE48)          Discovered 2002-Jul-14 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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