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392311 (2010 DH12)
Classification: Main-belt Asteroid          SPK-ID: 2392311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511721040061449 8.9849e-08  
a 2.385497606678173 2.3126e-08 au
q 2.02487691437501 2.2875e-07 au
i 21.46341969328449 7.3693e-06 deg
node 134.5746305697315 1.4155e-05 deg
peri 44.85395550399399 2.4804e-05 deg
M 10.39663664193791 1.7828e-05 deg
tp 2459357.635125495703
(2021-May-23.13512550)
6.6596e-05 TDB
period 1345.757796815614
3.68
1.957e-05
5.358e-08
d
yr
n .267507274230063 3.89e-09 deg/d
Q 2.746118298981335 2.6622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6585 days (18.03 yr)  
   first obs. used      2003-04-24  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:16:02  

Additional Information
 Earth MOID = 1.07394 au 
 Jupiter MOID = 2.33015 au 
 T_jup = 3.427 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.91   n/a MPCxxxxx  
diameter diameter 1.278 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392311 (2010 DH12)          Discovered 2010-Feb-19 by Ferrando, R. at Pla D'Arguines
Reference: Last Updated: 2014-04-17

Alternate Designations
 2010 DH12 = 2003 HS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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