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392318 (2010 ET30)
Classification: Main-belt Asteroid          SPK-ID: 2392318
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094392037479009 8.4131e-08  
a 3.142812195516107 5.5317e-08 au
q 2.484584111758021 2.9147e-07 au
i 10.33614407301875 6.9464e-06 deg
node 168.2794161412967 3.7255e-05 deg
peri 298.5768828916008 4.4529e-05 deg
M 352.3136496223736 1.9619e-05 deg
tp 2459043.950396944333
(2020-Jul-13.45039694)
0.00011132 TDB
period 2035.054626899547
5.57
5.3729e-05
1.471e-07
d
yr
n .176899428271598 4.6704e-09 deg/d
Q 3.801040279274192 6.6902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5820 days (15.93 yr)  
   first obs. used      2004-02-14  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:43:30  

Additional Information
 Earth MOID = 1.52084 au 
 Jupiter MOID = 1.45794 au 
 T_jup = 3.151 
[ 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 16.3   n/a MPO455784  
diameter diameter 3.482 km 0.646 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392318 (2010 ET30)          Discovered 2009-Dec-20 by Mt. Lemmon Survey at Mount Lemmon
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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