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249543 (2010 HA40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249543
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298823471641238 4.8732e-08  
a 3.201319636853033 5.2104e-08 au
q 2.785524728395961 1.7398e-07 au
i 19.65472846758352 7.5802e-06 deg
node 278.4285263424909 2.3917e-05 deg
peri 315.8356663156236 4.5304e-05 deg
M 310.5352555108091 3.8213e-05 deg
tp 2459287.965184593041
(2021-Mar-14.46518459)
0.00022238 TDB
period 2092.145982399829
5.73
5.1077e-05
1.398e-07
d
yr
n .1720721226092724 4.2009e-09 deg/d
Q 3.617114545310105 5.8871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:45:41  

Additional Information
 Earth MOID = 1.8038 au 
 Jupiter MOID = 1.61296 au 
 T_jup = 3.090 
[ 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 14.8   n/a MPO251721  
diameter diameter 6.439 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249543 (2010 HA40)          Discovered 2010-Apr-21 by WISE at WISE
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2010 HA40 = 2005 QG141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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