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JPL Small-Body Database Browser
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393359 (1998 ME3)
Classification: Amor [NEO]          SPK-ID: 2393359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4833538840087965 4.3689e-08  
a 2.177078659296793 1.4539e-08 au
q 1.124779233533025 9.421e-08 au
i 5.999349276400069 7.5075e-06 deg
node 129.496631133887 3.6597e-05 deg
peri 165.3571296424636 5.5728e-05 deg
M 289.2186604956921 3.599e-05 deg
tp 2459231.188467687666
(2021-Jan-16.68846769)
0.00011958 TDB
period 1173.301451331042
3.21
1.1754e-05
3.218e-08
d
yr
n .3068265189577675 3.0736e-09 deg/d
Q 3.229378085060561 2.1567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      5899 days (16.15 yr)  
   first obs. used      1998-05-23  
   last obs. used      2014-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56103  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:21:58  

Additional Information
 Earth MOID = .111804 au 
 Jupiter MOID = 2.01239 au 
 T_jup = 3.516 
[ 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 19.2   n/a MPO211629  
diameter diameter 0.774 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.062   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

393359 (1998 ME3)          Discovered 1998-Jun-19 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

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