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249546 (2010 HE47)
Classification: Main-belt Asteroid          SPK-ID: 2249546
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2602174977088137 4.4424e-08  
a 2.669325021039389 2.6936e-08 au
q 1.974719943492993 1.0899e-07 au
i 15.7186950308296 4.8827e-06 deg
node 133.8545270457362 2.4423e-05 deg
peri 185.4620398452643 2.7494e-05 deg
M 357.2181228546532 1.3061e-05 deg
tp 2458612.809376592882
(2019-May-09.30937659)
5.7849e-05 TDB
period 1592.944383201754
4.36
2.4111e-05
6.601e-08
d
yr
n .2259965908391694 3.4207e-09 deg/d
Q 3.363930098585785 3.3945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6673 days (18.27 yr)  
   first obs. used      2001-07-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:30  

Additional Information
 Earth MOID = .961111 au 
 Jupiter MOID = 1.96468 au 
 T_jup = 3.281 
[ 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 16.1   n/a MPO440260  
diameter diameter 1.493 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249546 (2010 HE47)          Discovered 2010-Apr-23 by WISE at WISE
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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